Keno — rules, payout structure and player tips

Keno is a number-draw game derived from lottery formats. The player picks a set of numbers from a pool (typically 1 to 80); the operator then draws a fixed number of winning numbers (typically 20). Payouts depend on how many of your picked numbers match the drawn numbers, and how many numbers you picked in total.

Keno is a fixed-odds game with a published Return-to-Player (RTP). RTP figures vary widely between operators and game variants, and in many keno games the published RTP sits in the 70–95% range — meaning the long-run house edge is high relative to most other casino games. No "system" can change the underlying probability of which numbers are drawn.

Keno payout structure

The payout in keno depends on two factors: the number of spots picked and the number of matches achieved. Picking more numbers raises the maximum payout multiplier but also raises the minimum number of matches required for any payout at all. Picking fewer numbers offers more frequent (but smaller) wins.

For example, in a typical 80-ball game:

• If you pick 2 numbers, matching 1 of 2 may pay 1× and matching 2 of 2 may pay 9× the wager.
• If you pick 10 numbers, matching all 10 may pay around 10,000× the wager — but matching 4 or fewer pays nothing.

Always read the paytable of the specific game before playing. Multipliers and required-match thresholds differ between operators.

Keno bet variants

Some keno variants offer side-style bets in addition to the main game. Two common ones:

Edge bet. The player bets on the 32 numbers along the outer edge of an 80-number keno board. Payout structures for edge bets vary by operator; the published RTP on this bet type is typically lower than the main keno game.

Top/Bottom or Left/Right. The player bets that the drawn numbers will fall predominantly in the top or bottom (or left or right) half of the board. Again, payout and RTP vary by operator.

Keno game variants

Operators publish many keno variants:

• Keno Poker — drawn numbers are mapped to playing-card values; payouts also reward poker-style hands.
• Instant bingo / "speed keno" — fast-draw formats with quick-pick boards.
• Keno Roulette — numbers are drawn using a roulette wheel rather than a keno machine.
• Keno with extra draw — after the main 20 numbers are drawn, an extra number is drawn for a side bet.

Player tips

• Verify the licence. In Ontario, only AGCO-licensed and iGaming-Ontario-registered operators are permitted; verify on the AGCO Public Registry. Other provinces have their own provincial-lottery framework (BCLC, Loto-Québec, ALC, WCLC).
• Read the paytable. Required matches, payouts, and RTP differ between games. The advertised RTP must be visible in the game's information panel.
• Set a budget before you play. Decide on a per-session limit and stick to it. No keno strategy can offset the long-run house edge.
• Treat keno as entertainment, not investment. Keno's high house edge means most sessions will end with a net loss; budget accordingly.

Players in Ontario must be 19+. Responsible-gambling guide · ConnexOntario 1-866-531-2600.