🪙 1000 CC
Selected: 0 / 10

How to Play

🎯 Objective

Pick 10 numbers from 1-80. The house draws 20 numbers. The more matches, the bigger your payout!

💰 Payouts (10-Spot)

  • • 5 matches: 3× your bet
  • • 6 matches: 20× your bet
  • • 7 matches: 100× your bet
  • • 8 matches: 500× your bet
  • • 9 matches: 2,000× your bet
  • • 10 matches: 10,000× your bet 🎉

🎲 Keno Probability

25%
Expected match rate
1 in 9M
Odds of 10/10 match
~5%
Chance of 5+ hits
~27%
House edge

Keno has a high house edge compared to other casino games. Play for fun, not profit!

📊 Full Probability Table

In Keno, you pick 10 numbers from 80, and 20 are drawn. The more matches, the rarer the outcome!

Matches Probability Odds Payout
Show Formula
P(h matches) = C(20,h) × C(60,k-h) / C(80,k)
where k = 10 (picks), h = hits
🎲 Fairness & RNG

Random Number Generation: All draws use the Web Crypto API (crypto.getRandomValues()), providing cryptographically secure randomness.

Each draw selects 20 unique numbers from 1-80 with uniform probability. No number can appear twice in a single draw.

This is for entertainment and education only. No real money is involved. MintyCatnipCoin (MCC) is a fictional currency with no value.

🎲
Fair & Transparent RNG

All games use crypto.getRandomValues() - a cryptographically secure random number generator built into your browser. This provides casino-grade randomness with no server-side manipulation. Each outcome is independent and unpredictable.