Guide · Updated July 2026
Keno is a numbers-draw game with roots stretching back centuries, structurally similar to a lottery but playable round after round in rapid succession rather than waiting for a weekly or daily draw. In the most common online format, you select a set of numbers — typically anywhere from 1 to 10 — from a field that usually runs from 1 to 80. Once you've made your selections and placed your bet, a draw takes place, generating a fixed set of winning numbers (commonly 20, out of the full 80-number field), and your payout depends on how many of your chosen numbers matched the numbers drawn.
Because there are no decisions to make once your numbers are picked and no ongoing action to manage — unlike a hand of blackjack or a round of Aviator — Keno is one of the most relaxed, low-engagement games in the online casino catalogue. It suits players who want to set a bet, watch a quick draw resolve, and repeat, without needing to actively manage a hand or react to anything in real time.
How it works
Most Keno variants let you choose anywhere from 1 up to 10 or more numbers per round, known as your "spot" count. This choice affects which payout table applies to your round.
Select your numbers from the full field, typically 1 to 80, either manually or using a quick-pick / random selection option offered by most online Keno interfaces.
Choose how much to bet on the round. Some variants let you multiply your potential payout by increasing your stake within set limits.
A fixed number of winning numbers — commonly 20 out of the 80-number field — are drawn using a random number generator, resolving the entire round in a few seconds.
The game compares your selected numbers against the drawn numbers and counts how many matched (your "hit count"). Your payout is determined by a fixed table cross-referencing your original spot count against your hit count for that round.
Keno payouts work on a two-dimensional table: how many numbers you originally chose to play (your spot count) combined with how many of those numbers actually appeared in the draw (your hit count) together determine your payout multiplier. Choosing more numbers per round generally offers the chance at a larger overall payout if you hit most or all of them, but also spreads your chances across more possible outcomes, meaning a "perfect" hit becomes statistically rarer the more numbers you select. Choosing fewer numbers per round narrows your payout ceiling but generally makes hitting all of your chosen numbers comparatively more achievable.
Every operator and software provider publishes its own specific payout table, and these do vary meaningfully — the same 5-spot game with 3 hits might pay differently at two different casinos, so it's worth checking the paytable displayed directly in the game interface before you play rather than assuming odds are universal across all Keno variants. As a general pattern across the industry, most paytables require you to hit a meaningful proportion of your chosen numbers before any payout kicks in at all — hitting just 1 or 2 numbers out of a 10-spot selection, for example, typically pays nothing, while hitting 7 or more out of 10 can pay out at very high multipliers.
Keno's odds are governed entirely by combinatorics — the mathematics of how many different ways a given set of numbers can be drawn from a larger field — and it's worth understanding in plain terms why hitting a large number of spots is so much harder than it might intuitively seem. With 20 numbers drawn from a field of 80, exactly matching a high proportion of, say, a 10-number selection requires a fairly specific, low-probability outcome, which is exactly why paytables reward higher hit counts so disproportionately more than lower ones. This is comparable to how a straight-up bet in roulette pays far more than an even-money outside bet — rarer outcomes carry proportionally larger rewards, though the underlying house edge remains built into the payout structure regardless of spot count chosen.
Keno's house edge tends to run somewhat higher than many table games, often comparable to or above the typical range seen in slots, which is worth knowing before treating it as a low-cost way to fill time — see our house edge guide for a broader comparison across game types.
Mzansi Pro-Tip
Because Keno draws happen so quickly and require zero active engagement once your numbers are picked, it's easy to play far more rounds in a session than you intend to — there's no natural pause point the way there is between hands of blackjack or a shoe change at baccarat. Setting a fixed number of rounds or a firm session budget before you start, and sticking to it regardless of how a streak is going, is especially useful for Keno specifically. Many quick-pick or auto-play features exist purely for convenience, not because playing faster improves your odds in any way — the underlying probabilities are identical whether you pick numbers manually or use quick-pick.
Keno's history is genuinely ancient by casino game standards, with roots tracing back roughly two thousand years to a numbers game played in China, sometimes linked in popular legend to funding the building of the Great Wall, though the historical record on that specific claim is thin. The game travelled to the United States with Chinese immigrants in the 19th century, and because American gambling law at the time restricted lottery-style games more heavily than card or table games, early American Keno was creatively rebranded and restructured using "race horses" instead of numbers to sidestep those restrictions — a workaround that eventually gave way to the numbers-based format once gambling regulation caught up and the game was folded properly into casino floors as "Keno."
Modern online Keno is a direct, digitised descendant of that casino-floor format, and moving it online mostly just increased the speed at which rounds resolve — a physical Keno draw with a ball machine and a live caller has historically taken a few minutes between rounds, while an RNG online round resolves in seconds. That speed increase is part of why the responsible-play advice below matters more for online Keno than it did for the slower, physical version of the game most of its history was built around.
Keno is sometimes confused with online bingo, and while both involve numbers being drawn and matched, the games work quite differently. In bingo, numbers are drawn one at a time and players mark them off a pre-printed card as they're called, racing to complete a specific pattern before other players in the same room. In Keno, all of your numbers are chosen upfront before a single simultaneous draw, and there's no pattern to complete or other players to race — your payout is calculated purely from your hit count against a fixed table. If you enjoy Keno's simple, no-decision format, you might also enjoy instant-win scratch card games, which share a similar quick, no-skill appeal.
Keno is a fixture at most licensed South African online casinos, typically listed alongside slots or in its own dedicated lobby section, and it's widely available at Pantherbet, 10bet and Hollywoodbets. Before playing, it's worth checking how Keno contributes toward any active bonus wagering requirement, since some operators weight it differently to slots — our wagering requirements guide explains how that contribution system generally works. Our full guides hub has further reading on responsible play and other simple, low-engagement casino games worth exploring.
FAQ
Most online Keno variants let you choose between 1 and 10 numbers per round, sometimes more, from a field typically running from 1 to 80. Your chosen count is called your "spot" number.
Commonly 20 numbers are drawn from the full field of 80 in a standard round, though this can vary slightly by operator and specific game variant.
Your payout is determined by cross-referencing how many numbers you originally chose (your spot count) against how many of those numbers appeared in the draw (your hit count), using a fixed paytable specific to that operator and game.
Not straightforwardly. Picking more numbers raises your potential maximum payout but also makes hitting a high proportion of them statistically harder, since more numbers must align with the drawn set for a top payout.
No — quick-pick is purely a convenience feature. Since each draw is generated randomly and independently, manually chosen numbers carry exactly the same odds as a random quick-pick selection.
No. In Keno, you choose all your numbers before a single simultaneous draw and are paid based on your hit count. In bingo, numbers are called one at a time and players race to complete a pattern on a pre-printed card.
Generally, yes — Keno's house edge tends to run higher than many table games, often comparable to or above typical slot ranges, which is worth factoring into your bankroll expectations.
Keno is a common fixture across South African online casinos, including Pantherbet, 10bet and Hollywoodbets, though exact paytables and spot-count options vary, so check the game's own paytable before playing.
Keno traces back roughly two thousand years to a numbers game played in China. It spread to the United States with Chinese immigrants in the 19th century and was later restructured into the numbers-based casino format played today.
No. Each Keno draw is generated independently by a random number generator, so no number is statistically overdue or on a hot streak — every number carries identical odds on every draw regardless of recent results.