Bolly Games

Extreme Keno

Mode-selectable online keno with manual and random number picking

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

96.5%

return to player

Volatility

Adjusted

variance

Max win

100×

top multiplier

Min bet

$0.10

per spin

Reels

grid

Player rating

3.8 ★

13 votes

DEMO Play free, no signup

Bolly Games

Embed on your site

3.8 / 5

13 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP9/10

RTP 96.5% → 9.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential4/10

x100.00 (100×) → 4.0/10

Featuresn/a

not applicable

Game Mechanicsn/a

not applicable

Context signals (tie-breakers)

Layoutn/a

not applicable

Bet Flexibilityn/a

not applicable

Provider Reputation6.9/10

provider avg 6.9 → 6.9/10

Popularity2.5/10

synthetic proxy → 2.5/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 64 — Extreme Keno by Bolly Games

https://slotranker.com/bolly-games/extreme-keno#score

How to cite

Slot Summary

A numbered draw replaces reels in Extreme Keno, so its clearest identity comes from choosing positions and matching them against the result. Bolly Games divides that keno format into Easy, Medium, Hard, and Bonus Buy modes, letting the risk profile change without leaving the same game. The 96.5% RTP and 100x listed maximum give the comparison a defined scale, while Random Pick and multiplier events reduce the need to select every number manually.

How It Plays

The player selects numbers from a 1-to-40 grid, then compares those choices with the drawn result. The number of matches determines the returned amount.

Random Pick can fill the selection automatically, while Turbo Mode shortens the draw presentation. Easy, Medium, and Hard modes alter the risk choice before betting.

Spec sheet

Extreme Keno at a glance.

Identity

Slot nameExtreme Keno

StudioBolly Games

Released1/12/2026

Math

SlotRanker Score64

RTP96.5%

VolatilityAdjusted

Max win100×

Bet range$0.10 – $100.00

Player rating3.8 / 5 · 13 votes

Format

Reels8

Paylines—

Layout8x5

Features

Expected average based on this slot's 96.5% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.40

Cost per session$1.40

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Extreme Keno? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Mediumassumed — not published for this slot

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium). The model is calibrated so the average return equals this slot's published RTP (96.50%), with wins capped at its top multiplier (100×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Extreme Keno

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Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Extreme Keno with other games

	Extreme Keno Score 64This game	Keno Betting Score 82	Keno Blocks Score 79	Bonus Keno 2 Score 78	Across The Universe Keno Score 77
Identity
Studio	Bolly Games	Elbet	Lottio	Virtual Gold Studios	Mascot Gaming
Released	1/12/2026	4/30/2024	4/20/2026	1/30/2026	7/4/2024
Math
RTP	96.5%	97.44%	96.66%	96.51%	95.15%
Volatility	Adjusted	Medium volatility	—	Adjusted	High volatility
Max win	100×	25,000×	45,020×	10,620×	130,000×

Every number is shown as a delta against Extreme Keno.

Comparing against

Extreme Keno

Bolly Games

RTP

96.5%

Max win

100×

Score

Across The Universe Keno

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