🔫 Russian Roulette Engine

Calculate exact survival probability and expected value (EV) for your position. Uses the no-respin model (barrel decrements each turn).

📊 Results

Survival Probability
Death Probability
Expected Value (EV)
Mathematical Edge
Your Buy-In

Run the calculator on the left to see your exact odds and EV breakdown.

🃏 Blackjack Basic Strategy

Uses the mathematically proven Basic Strategy table. Reduces the house edge to under 0.5% when followed perfectly. Select your hand total and the dealer's face-up card.

🧠 Optimal Decision

Mathematically Optimal Move
HIT

Select your hand and the dealer's card, then click to get the optimal move.

🔢 High-Low Probability

Torn High-Low uses a standard 52-card deck. Select the current face-up card to calculate the mathematically correct call — Higher or Lower — based on remaining deck probability.

📊 Probability Breakdown

Odds Lower
Odds Higher
Optimal Call

Select the face-up card and click to see the odds breakdown.

♠️ Poker Pot Odds Calculator

Input pot size, bet to call, and your number of outs (cards that complete your hand) to see if calling is mathematically profitable using the Rule of 2 & 4.

📊 Results

Pot Odds (Required Equity)
Your Actual Equity

Enter the hand details and click to see if you should call or fold.

🏅 Bookie Arbitrage & Implied Odds

Convert fractional or decimal odds to implied win probabilities and check for arbitrage — a guaranteed profit opportunity when the combined implied probability is under 100%.

📊 Results

Team A Implied Prob.
Team B Implied Prob.
Vig (House Edge)
Arbitrage Opportunity

Enter both sides' odds and click to check for an arbitrage window.

🎲 Craps Odds & House Edge Reference

Craps is one of the only casino games where the house edge can be driven almost to 0% by combining Pass Line bets with Odds bets. The Odds bet has literally zero house edge.

Pass Line / Come1.41% House Edge
Don't Pass / Don't Come1.36% House Edge
Pass Line + Max Odds Bet~0.00% House Edge 🏆
Place 6 or 81.52% House Edge
Place 5 or 94.00% House Edge
Place 4 or 106.67% House Edge
Hardways (6, 8)9.09% House Edge
Hardways (4, 10)11.11% House Edge
Any 7 / Any Craps (Prop Bets)11% – 16% House Edge ❌

💡 Strategy: Stick to Pass Line + Come bets with max Odds for the best possible return. Avoid all Proposition bets entirely.

🔴 European Roulette Odds Breakdown

Torn uses European Roulette (Single Zero). The house edge is a constant 2.70% on almost every bet — your choice of bet only affects volatility, not the expected return.

Red / Black, Odd / Even, 1-18 / 19-3648.65% Win Chance · 2.70% Edge
Dozens (1-12, 13-24, 25-36)32.43% Win Chance · 2.70% Edge
Columns32.43% Win Chance · 2.70% Edge
Six Line (6 numbers)16.22% Win Chance · 2.70% Edge
Corner (4 numbers)10.81% Win Chance · 2.70% Edge
Street (3 numbers)8.11% Win Chance · 2.70% Edge
Split (2 numbers)5.41% Win Chance · 2.70% Edge
Single Number (Straight Up)2.70% Win Chance · 2.70% Edge · High Variance

💡 Strategy: The house edge is identical regardless of bet. Bet Even-Money (Red/Black) for the slowest bankroll drain and most playtime per dollar.

🎰 Slots ROI & Merit Farming Guide

Slot machines are pure RNG with no player input or strategy. Torn's exact Return to Player (RTP) is hidden, but standard casino slots range between 90–95%.

Estimated RTP (Return to Player)~90% – 95%
House Edge per Spin5% – 10%
Expected Loss per $1,000,000 Spun$50,000 – $100,000
Player Strategy Available?None — Pure RNG ❌
Best Use CaseMerit Farming ✅
💡 Merit Farming Tip

If you need to grind casino merits, slots are the fastest way to rack up play counts per dollar. Bet the minimum amount possible to maximize merit count while minimizing total cash burned. Don't expect to profit — budget only what you're happy to lose.