How Keno Works

A complete guide to Keno — rules, mechanics, and the math behind every outcome.

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Game Mechanic

Lottery-style number selection game

Step-by-Step Guide

  1. 1

    Select 1–10 numbers from a grid of 40.

  2. 2

    Set your bet amount.

  3. 3

    Click Draw. The game randomly selects 10 winning numbers.

  4. 4

    Your payout depends on how many of your picks match the drawn numbers.

  5. 5

    More picks increase the possible payout range — but you need more matches to profit.

Provably Fair System

The 10 drawn numbers are selected using a Fisher-Yates partial shuffle of indices 1–40, seeded by HMAC-SHA256(server_seed, client_seed:nonce). The first 10 values of the shuffle become the draw result. Each number selection consumes one float from the hash chain.

Visit the Fairness Verification page to verify any past round with your seeds.

Getting Started

You don't need an account to try Keno. Visit the game page and you'll automatically receive 1,000 Gold Coins to play with. No signup, no download, no credit card. If you enjoy the game, create an account to save your progress and earn XP for gameplay unlocks.

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