The Complete Guide to Casino Games: Rules, Odds, and Strategy
Casino games are structured forms of chance-based entertainment in which players wager on outcomes determined by cards, dice, wheels, or randomized software. Each game operates on fixed rules and probability, giving players clearly defined ways to place bets and understand potential payouts. Beyond entertainment, these games offer social interaction, mental engagement, and a controlled environment for testing luck and strategy.
Understanding the Core Mechanics of Modern Casino Games
To truly enjoy casino games, you need to grasp their underlying math and logic. Every game operates on a house edge, a built-in statistical advantage for the casino that dictates long-term outcomes. Understanding concepts like volatility helps you choose games matching your risk appetite, from low-variance slots to high-variance blackjack. Random number generators (RNGs) are the engine of fairness, ensuring each spin or deal is independent and unpredictable.
Q: Does understanding mechanics guarantee wins? A: No, but it helps you play smarter and manage your bankroll effectively.
This knowledge shifts you from passive betting to strategic play, letting you recognize which games offer better odds and how to structure your sessions for entertainment, not just chance.
Random Number Generators and Fair Play Explained
Every spin, deal, or roll in a modern casino game is driven by a Random Number Generator and fair play system working together to produce unpredictable outcomes. The RNG is a certified algorithm that continuously generates sequences of numbers with no discernible pattern, ensuring each result is independent of the last. Fair play is verified through independent testing labs that audit the RNG’s output for statistical randomness and confirm the game’s return-to-player percentage matches its published rules. Because the RNG runs constantly, outcomes are never influenced by player timing, bet size, or previous results—debunking common myths about “hot” or “cold” machines.
How do I know the RNG is actually fair? Reputable operators publish third-party audit certificates, and testing labs use millions of simulated rounds to confirm randomness and payout accuracy.
House Edge vs. Player Return-to-Player Percentages
House edge and return-to-player (RTP) are two sides of the same coin, and grasping their relationship is essential for any player. The house edge vs. player return-to-player percentages simply describe the casino’s expected profit versus your expected payback over time: a 5% house edge means a 95% RTP. This means every wager carries a built-in mathematical cost, so games with lower edges stretch your bankroll further across sessions. Slots often sit near 94–96% RTP, while blackjack with basic strategy can exceed 99%, dramatically shifting long-term outcomes. Remember, these figures are averages over millions of hands, not guarantees for any single session.
Q: Does a higher RTP guarantee I’ll win more? No—RTP reflects long-run averages, not short-term results, so variance still shapes every individual session.
Volatility and Variance: What Players Should Expect
Volatility and variance determine the rhythm of your bankroll, not just your odds of winning. Low-volatility games deliver frequent, smaller payouts that stretch playtime and suit cautious budgets, while high-volatility slots and table bets swing wildly, offering rare but hefty wins that can drain a stack fast. Variance works the same way: a game with high variance produces streaks you cannot predict, so a session may feel dead before it explodes. Match your stake to the game’s profile, and treat volatility and variance in casino games as the map for how long your money lasts. Q: How do I choose a game based on volatility? A: Pick low volatility for steady, longer sessions and high volatility only when you can absorb long dry spells for a shot at bigger wins.
Exploring Classic Table Games
Exploring classic table games opens the door to casino gaming’s most enduring experiences, where strategy and chance meet at the felt. Start with blackjack to learn hand values and basic strategy, then try roulette for straightforward bets like red or black. Baccarat offers simple rules and low house edges, making it ideal for beginners seeking fast rounds. Practice reading the table, manage your bankroll, and set session limits before you play. Craps rewards learning the pass line and odds bets, while poker variants demand patience and position awareness. Mastering etiquette, like waiting for the dealer and placing chips correctly, quietly elevates every session. These games reward observation and disciplined choices over luck alone.
Blackjack Strategy and Basic Play Decisions
Blackjack strategy boils down to one simple idea: make the mathematically best decision every time you see your cards and the dealer’s upcard. Basic blackjack strategy gives you a ready-made chart that tells you when to hit, stand, double down, split, or surrender. For example, always stand on 17 or higher, hit on 11 or less, and split aces and eights. Doubling down works best on 10 or 11 against a weak dealer card, while you should never split tens or fives. Memorizing these basic play decisions takes a little practice, but it cuts the house edge dramatically and keeps your choices consistent.
Learn the basic strategy chart, trust it over gut feelings, and you’ll play smarter blackjack every hand.
Roulette Betting Systems and Wheel Variations
Roulette’s two main wheel variations shape every betting decision: European and French wheels carry a single zero, while American wheels add a double zero that noticeably worsens the house edge. Roulette betting systems like Martingale, D’Alembert, and Fibonacci appeal to players seeking structure, yet each simply reshuffles stake sizes rather than changing underlying odds. Progressive systems can stretch a bankroll through long losing streaks, but table limits and finite funds ultimately expose their fragility. Outside bets such as red/black or odd/even suit slow-grinding systems, while inside bets tempt riskier staking plans. Smart players match any system to the wheel in front of them, favoring single-zero tables and treating systems as entertainment rather than guaranteed profit.
Baccarat Odds and Simplified Rules for Beginners
Baccarat looks intimidating, but the rules boil down to one simple choice: bet on the Player, the Banker, or a Tie. Each hand draws two cards, and the closer to nine wins—tens and face cards count as zero. The real appeal lies in the baccarat odds and simplified rules for beginners, since the Banker bet carries just a 1.06% house edge, the Player bet 1.24%, and the Tie a hefty 14.36%. Memorizing the third-card drawing rules isn’t even necessary—the dealer handles it. Stick to Banker or Player bets, skip the Tie, and you’re playing smart from the first hand.
Poker Variants Found in Casino Settings
Poker variants in casino settings differ primarily by betting structure and card rules. Community card games like Texas Hold’em and Omaha dominate casino poker rooms, where players compete against each other rather than the house. Stud variants such as Seven-Card Stud use exposed cards and multiple betting rounds without community cards. Draw games like Five-Card Draw appear less frequently but remain available in some rooms. Limit, pot-limit, and no-limit structures change decision complexity and bankroll demands. Casino poker typically uses a dealer button, blinds or antes, and a rake taken from each pot. Understanding these distinctions helps players select tables matching their skill and preferred pace.
Casino poker variants are defined by card distribution, betting limits, and house rake, with community card, stud, and draw formats each offering distinct strategic and pacing profiles.
Craps: Understanding Pass Lines and Odds Bets
In craps, the pass line bet wins immediately on a 7 or 11 and loses on a 2, 3, or 12, while any other total becomes the point. Players seeking better value should explore odds bets, which carry no house edge and pay true odds. After a point is established, an odds bet is placed behind the pass line wager and wins or loses with the point number. Casinos usually limit odds bets to a multiple of the original pass line bet, so check the table maximum before playing.
- Pass line wins on 7 or 11, loses on 2, 3, or 12
- Odds bets pay true odds with no house edge
- Odds bets require an established point number
- Table limits cap the size of odds wagers
The Evolution of Slot Machines
Slot machines began as mechanical devices with three reels and a limited set of symbols, requiring players to pull a lever and match paylines. Over time, electromechanical versions introduced hoppers and coin acceptors, improving payout reliability. The shift to digital screens removed physical reels entirely, enabling virtual symbols, bonus rounds, and multi-line betting. Modern slots now use random number generators to determine outcomes, replacing mechanical stops with software-driven results. What changed for players? They gained adjustable bet sizes, scatter symbols, and free-spin features that mechanical slots could not offer. Today’s casino games include video slots with themed graphics and interactive bonus mechanics, while classic three-reel machines remain available for those preferring simpler play.
From Mechanical Reels to Video Slots
The shift from mechanical reels to video slots changed how players interact with casino games. Early machines used physical reels and levers, so outcomes depended on spinning metal and visible symbols. Video slots replaced these with digital screens and random number generators, allowing more reels, paylines, and bonus features. From Mechanical Reels to Video Slots also reshaped gameplay pace, since spins became faster and themes more varied. Players no longer watch physical reels stop but instead track animated sequences and feature triggers on screen. This transition made slot play more flexible while keeping the core bet-and-spin structure intact.
From Mechanical Reels to Video Slots marks the change from lever-driven physical reels to screen-based digital gameplay with expanded features and faster interaction.
Progressive Jackpots and Megaways Mechanics
Progressive jackpots pool a small portion of each wager into a growing prize that can only be won by hitting a specific trigger, such as five matching symbols on a payline or landing three jackpot icons; the displayed amount rises with every spin until someone wins it. Megaways mechanics change how reels behave by varying the number of symbols per reel on each spin, creating up to 117,649 ways to win instead of fixed paylines, with cascading reels often removing winning symbols to allow new ones to drop in. Players should note that Megaways slots rarely connect to progressive jackpots, and jackpot eligibility usually requires the maximum bet.
- Progressive jackpot size grows with each wager and resets after a win.
- Maximum bet is often required to qualify for the jackpot trigger.
- Megaways slots use dynamic reel heights, not fixed paylines.
- Cascading wins in Megaways can produce consecutive payouts per spin.
Bonus Features, Free Spins, and Multipliers
Modern slots reward players through layered bonus mechanics rather than payline luck alone. Bonus features, free spins, and multipliers now define the core excitement of casino games, triggering scatters that unlock free spin rounds with expanding wilds or sticky symbols. Multipliers amplify every win during these rounds, often climbing with each consecutive spin to deliver payouts far beyond base gameplay. Players should study each game’s paytable to understand trigger conditions, because free spins with persistent multipliers consistently offer the strongest value. Choosing slots with generous bonus frequency and high multiplier ceilings turns ordinary spins into genuinely rewarding sessions.
Live Dealer Experiences in the Digital Age
Live dealer games bridge the gap between physical casinos and online convenience by streaming real tables in real time. Choose tables with HD video quality and low latency to ensure smooth betting decisions. Use the chat function to interact with dealers and other players, but always confirm table limits and betting rules before joining to avoid costly mistakes. Set your session budget in advance, as the immersive format can encourage longer play. Test your connection speed first—unstable internet causes missed bets and disrupted gameplay. On mobile, rotate to landscape for a better view of the table layout and dealer actions.
How Live Streaming Technology Transforms Play
Live streaming technology turns remote casino play into a near-continuous, real-time encounter by transmitting HD video from a physical studio table to your screen with minimal buffering. This real-time game streaming lets you watch the dealer shuffle, deal, and resolve bets as it happens, so outcomes feel verifiable rather than simulated. Interactive overlays and synchronized betting windows keep your decisions aligned with the live action, while multi-camera angles and instant replays let you review each hand. The result is presence: you follow the pace, read the table, and respond under the same timing pressures as players on the floor, making the experience feel immediate and social rather than pre-recorded.
Popular Live Tables and Etiquette Tips
Live blackjack, roulette, and baccarat dominate virtual lobbies because their fixed rules translate cleanly to a streamed format, while game-show hybrids like Dream Catcher add a wheel-based twist. Live table etiquette begins with betting within posted limits and placing chips before the dealer closes wagering; late bets disrupt flow and are routinely rejected. Chat politely, avoid spamming commands, and never pressure the dealer for faster play. Because the dealer controls physical cards or the wheel, players should treat outcomes as final rather than disputing visible results. Tipping via the interface is optional but appreciated, and observing each table’s specific rules on doubling or surrender prevents costly missteps.
Choose a table matching your bankroll, bet before the cutoff, chat respectfully, accept outcomes gracefully, and tip at your discretion to keep live play smooth and enjoyable.
Comparing Live and RNG-Based Formats
When comparing live and RNG-based formats, the core distinction lies in how outcomes are produced and experienced. Live dealer games use real equipment and human dealers streamed in real time, so results unfold at a natural pace and players can observe each step, while RNG-based games rely on certified random number generators that deliver instant results with no physical presentation. This difference shapes pacing, immersion, and decision-making: live formats suit players who value transparency and social presence, whereas RNG formats favor speed, convenience, and solo play. Comparing live and RNG-based formats ultimately comes down to matching each player’s preference for realism versus efficiency.
Specialty and Niche Options on the Floor
Beyond the familiar rows of slots and blackjack tables, the casino floor hides a quieter world of specialty and niche options that best online casinos reward curiosity. Wander past the main pit and you might find a pai gow poker table where players build hands in near silence, or a sic bo station crowded around three tumbling dice. These games usually carry lower minimums and slower pacing, giving newcomers room to learn without pressure.
Ask the dealer to walk you through the betting layout once before you place a chip—most are happy to explain.
Look for carnival games like Let It Ride or Crazy 4 Poker, where a single bet can stretch across an hour of play, and don’t overlook the lone video poker machine tucked by the cashier, often the best odds in the house.
Video Poker Strategy Fundamentals
Video Poker Strategy Fundamentals begin with selecting a pay table that returns over 99% with optimal play, such as 9/6 Jacks or Better. Players must memorize the correct hold-and-discard decisions for every dealt hand, because a single misplayed card erodes the game’s slim house edge. Video poker strategy fundamentals prioritize high-value holds like four-card inside straights only when the pay table justifies the risk, and low pairs over unsuited high cards. Unlike slot machines, video poker rewards disciplined decision-making, so practice with a strategy chart until holds become automatic.
Q: Should I always hold a low pair over a four-card flush?
A: No—in most Jacks or Better pay tables, a four-card flush draw outranks a low pair because the flush’s higher payout and straight-flush possibilities outweigh the pair’s marginal improvement odds.
Keno, Bingo, and Lottery-Style Attractions
Keno lounges offer a relaxed, lounge-style alternative to table games, where players mark numbers on a card and watch periodic draws displayed on monitors, making it ideal for those who prefer slow-paced play with frequent chances to win. Bingo halls, often tucked into dedicated rooms or event spaces, combine social atmosphere with simple card-marking mechanics and scheduled sessions that reward pattern completion. Lottery-style attractions such as pull-tabs, scratch cards, and electronic draw terminals deliver instant-win excitement with minimal learning curve, appealing to players who want quick, low-stakes thrills without committing to complex rules. These specialty options let visitors enjoy familiar, easy-to-understand formats that complement the casino floor’s broader gaming mix.
Specialty Games with Unique Side Bets
Specialty games with unique side bets turn niche table offerings into high-stakes thrillers beyond the main wager. In games like Caribbean Stud, players chase a five-card hand while an optional side bet pays out on premium poker combinations, adding a separate risk-reward decision each round. Specialty games with unique side bets often include progressive jackpot attachments, letting a modest extra wager qualify for life-changing payouts triggered by rare hands. Side bet sizing deserves careful attention, since these wagers carry steeper house edges than the base game. Know the payout table before committing chips, and treat side bets as entertainment rather than a strategy to beat the house.
Specialty games with unique side bets deliver extra excitement and jackpot potential, but understanding payout odds and sizing wagers wisely keeps the experience fun and controlled.
Mobile and Online Platforms for Players
When you play casino games on mobile and online platforms for players, treat the device and connection as part of your setup. Use the platform’s native app or a responsive browser site, enable two-factor authentication, and set deposit limits before your first spin. Check that game rules, pay tables, and RTP displays are identical across desktop and mobile versions, since some titles render differently.
Test each game in demo mode on your actual device to confirm touch controls, bet sizing, and session timers work reliably before wagering.
Keep notifications on for withdrawal confirmations, and avoid switching devices mid-session to prevent sync errors with bonus balances.
Cross-Device Compatibility and App Features
Cross-device compatibility ensures a player’s casino account, balance, and game history sync seamlessly between desktop, tablet, and smartphone, so a session started on one device can continue on another without losing progress. Native apps typically deliver faster load times, push notifications for bonuses, and touch-optimized controls, while browser-based versions offer instant access without installation. Key app features to verify include cross-device gameplay continuity, one-tap deposits, biometric login, and adjustable bet limits. Players should confirm that game libraries and live dealer tables render correctly across screen sizes and that saved preferences persist. Reliable performance on both Wi-Fi and mobile data, plus offline access to account details, further defines a well-integrated cross-platform experience.
Demo Modes and Free-to-Play Learning Tools
Demo modes let players spin reels, deal cards, or run roulette wheels with virtual credits, so they can learn a game’s rules and interface without risking money. Free-to-play learning tools often include adjustable bet levels, autoplay settings, and paytable access that mirror the real-money version. Because demo outcomes use the same random number generator as paid play, the experience is realistic without being financially consequential. Players can compare volatility, test betting strategies, and build familiarity with bonus features before committing funds. Some platforms also offer interactive tutorials and skill-based practice rounds inside the demo environment, making it easier to understand complex mechanics like free spins or cascading reels.
Demo modes and free-to-play tools provide a risk-free way to learn game mechanics, test strategies, and explore interfaces before playing with real money.
Responsible Gambling Tools and Player Protection
Mobile and online casino platforms put powerful player protection tools directly in your hands, so use them. Set deposit, loss, and wager limits before you play, and adjust them only with a cooling-off period that prevents instant increases. Schedule reality checks and session time alerts to stay aware of how long you have been spinning. Enable self-exclusion or a temporary timeout the moment play stops feeling recreational. Review your account history regularly, keep notifications on for limit reminders, and use built-in spend trackers to see your true totals. These controls work best when configured in advance, not mid-session.
Q: How can I stay in control while playing casino games on a mobile or online platform? A: Activate deposit and time limits, turn on reality checks, and use self-exclusion tools before your first bet.
Bankroll Management and Smart Play Habits
Before you sit at a table, separate your casino budget from rent and grocery money, and treat that bankroll as cash you can afford to lose without changing your life. On a $200 bankroll, risk no more than 5% on any single bet, so one bad hand never ends your night. Set a loss limit and a time limit before you play, and walk away when either hits, even if you feel a hot streak coming. Skip chasing losses and avoid betting under the influence; instead, log each session’s wins and losses in a notebook. Smart play means pacing your casino games so the fun outlasts the money.
Setting Limits and Tracking Session Budgets
Before you play, decide on a fixed amount you can afford to lose and treat it as your total session budget. Split that amount into smaller increments so you know exactly how much each round or time block can consume. Setting limits and tracking session budgets means writing down your starting amount, subtracting each bet as you go, and stopping the moment you reach your cap. Use a timer or alarm to enforce time limits alongside money limits, since fatigue often leads to overspending.
- Set a hard loss limit and a win goal before the first bet.
- Record every wager to track remaining budget in real time.
- Keep session funds separate from household or savings money.
- End the session immediately when either limit is reached.
Understanding Payout Rates and Session Timing
Understanding payout rates helps you choose games where your money lasts longer, since a higher return-to-player percentage means smaller expected losses per hour. Compare RTP values before betting and favor options above 96% when possible. Session timing matters because fatigue and long play sessions erode judgment, so set a fixed time limit and stick to it. Shorter, planned sessions reduce impulsive betting and keep decisions sharp. Track how payout rates align with your session length so you avoid chasing losses during extended play.
- Check RTP before choosing a game
- Set a fixed session time limit
- Avoid extending sessions to chase losses
- Take breaks to keep decisions sharp
Avoiding Common Beginner Mistakes
Beginners often sabotage their bankroll before they even understand the game. The most damaging mistake is chasing losses, where each bet grows larger in a desperate attempt to recover. Avoiding common beginner mistakes starts with setting a hard session limit and walking away when it’s reached. Players who treat every loss as a temporary setback rather than a signal to stop rarely keep control. Another frequent error is playing games with unfamiliar rules or high house edges simply because they look exciting. Skipping free-play modes and ignoring bet-sizing relative to your total bankroll also accelerates losses. Discipline, not luck, separates smart players from frustrated ones.
- Never increase bet size to recover previous losses.
- Learn game rules and house edge before wagering real money.
- Set a session loss limit and honor it without exception.
Regulation, Licensing, and Safety Standards
When you play casino games, regulation, licensing, and safety standards are what keep things fair behind the scenes. A licensed casino must follow rules on how its games are built and tested, so outcomes aren’t rigged against you. Independent auditors check random number generators to confirm results are truly random, and regulators can inspect or penalize operators that break the rules. Safety standards also cover how your money and personal data are protected, including secure payments and clear terms. Before signing up, look for a visible license from a recognized authority and read the game fairness information provided. These safeguards won’t guarantee wins, but they help ensure you’re playing on a level field.
How Jurisdictions Oversee Fair Gaming
Jurisdictions oversee fair gaming by requiring independent testing laboratories to certify that casino game fairness and payout integrity meet published standards before deployment and after any software update. Regulators audit random number generators, verify theoretical return-to-player figures against actual outcomes, and mandate that operators retain detailed game logs for inspection. Some authorities conduct their own live monitoring of payout rates, while others rely on accredited third-party auditors to issue periodic compliance reports. Operators must also disclose game rules, odds, and payout percentages clearly to players, and licensing bodies can suspend or revoke approval when a game fails retesting or deviates from certified behavior.
How do jurisdictions verify that a casino game’s random number generator is fair? They require certification by accredited testing labs, review the RNG source code and statistical output against expected distributions, and repeat audits at set intervals or after changes to confirm continued compliance.
Reading Certifications from Testing Agencies
When playing casino games online, you can check a game’s fairness by locating the testing agency certification, usually displayed in the game’s help screen or the casino’s footer. Look for the agency’s name, such as eCOGRA, iTech Labs, or GLI, alongside a license number or certificate ID you can verify on the agency’s own website. Reading certifications from testing agencies means confirming that the certificate matches the specific game title and version, not just the casino brand. Certificates often list a review date, so an expired or missing date can signal that the game’s payout testing has not been recently renewed. Check that the certificate covers random number generator testing and return-to-player verification rather than only software security. Cross-reference the certificate ID with the agency’s public registry to confirm authenticity before trusting the game’s stated odds.
Reading certifications from testing agencies lets you verify a game’s fairness claims by matching the certificate ID, agency name, game version, and review date against the tester’s public registry.
Spotting Trustworthy Operators Online
To spot trustworthy operators online, begin by checking whether the site displays its license number and regulator clearly, then verify that license directly on the regulator’s official register rather than trusting logos alone. Read the terms and conditions for withdrawal limits and bonus wagering requirements, since hidden clauses often signal risk. Test customer support responsiveness before depositing, and confirm the casino publishes a certified random number generator audit from an independent testing lab. Trustworthy operators tend to explain their rules plainly, even when that honesty costs them a sale. Finally, search independent player forums for withdrawal complaints, treating patterns of delayed payouts as a serious warning sign.
Emerging Trends Shaping the Industry
Skill-based hybrid games blend chance with player agency, letting outcomes hinge on timing, strategy, or reflexes rather than purely on random number generation. Live dealer integration with augmented reality overlays digital stats and betting cues onto real tables, tightening the feedback loop between online convenience and land-based atmosphere. Personalized game recommendations driven by play-style segmentation now serve up tailored titles and volatility profiles instead of generic lobbies. Instant-play, no-download formats reduce friction on mobile, while provably fair transparency tools let players verify outcomes themselves. Crucially, operators are embedding responsible-play prompts directly into game mechanics rather than relegating them to separate pages, making safer play a native part of the experience. These shifts reward operators who prioritize engagement design over raw volume.
Skill-Based Gaming and Hybrid Formats
Skill-based gaming and hybrid formats change how players interact with casino games by rewarding timing, strategy, and decision-making alongside chance. Instead of purely random outcomes, these games often include interactive elements such as aiming, pattern-matching, or resource management that let you influence results. Hybrid formats blend classic reel mechanics with skill challenges, so a single session can shift between spinning and active play. To get started, choose a title that clearly labels its skill component, practice in free mode to learn the controls, then set a session limit before playing for real. Skill-based gaming and hybrid formats suit players who want more agency, faster feedback, and a sense of mastery, while hybrid formats keep the familiar casino feel intact.
Virtual Reality and Immersive Table Experiences
Virtual Reality reshapes table games by placing players inside a rendered casino floor where they can lean over a blackjack table, track cards with natural head movement, and interact with chip stacks using hand controllers. Immersive table experiences replace flat screen layouts with spatial sound and 3D dealer avatars, so reading body language and table rhythm becomes part of play. Because headset tracking lets users glance between seats and community cards, the cognitive load resembles a physical table more than a conventional interface. Operators currently favor seated VR blackjack and roulette over fully mobile walkarounds, since anchored seating reduces motion sickness while preserving presence.
Virtual Reality and immersive table experiences turn flat-screen casino games into spatial, first-person sessions where natural movement, 3D dealers, and directional audio restore the physical feel of sitting at a live table.
Cryptocurrency Integration and Provably Fair Systems
When you play a crypto casino game, your bet goes straight from your wallet to a smart contract, which removes the middleman and lets you cash out in minutes instead of waiting days. Provably fair systems take it further: before each round, the site shares a hashed server seed, you add your own client seed, and after the round you can verify the result yourself using a simple hash checker. That means you don’t have to just trust the house—you can actually confirm every shuffle and roll was legit. Many platforms even let you swap seeds whenever you like, so you stay in control of the randomness.
Q: How do I know a crypto casino game isn’t rigged?
A: Check if it offers a provably fair verifier—plug in the server seed hash, your client seed, and the nonce to recalculate the outcome yourself. If the numbers match, the game was fair.