Book Of Medusa

Book Of Medusaslots

Spinomenalplayed on 4 casinos we readofficial RTP 96.14%

Observed RTP vs officialpaid ÷ wagered over the sampled bets, with a 95% band

24h
1820.47%±1967.7
47 bets—
7d
527.35%±399.2
189 bets—
30d
450.85%±310.8
239 bets—
90d
450.85%±310.8
239 bets—
All
450.85%±310.8
239 bets—
Per casino, 30d
195 bets · below min
29 bets · below min
15 bets · below min
-0.5%6000.3%12001.0%
The marker is the RTP each casino publishes for this game. An amber bar means that figure is outside the 95% band of what we observed there; grey bars are below the minimum sample.

This gameall sampled bets

Bets
268
Wagered
$241
Paid
$1,064
Max multiplier
500.0x
Max payout
$250
too earlyNot enough bets over 30d to compare with the official RTP yet. Every spin is independent.

Official RTPas published by each casino

Gamdomgamdom:rtp96.14%
Housebetshousebets:game.rtp96.14%
Rainbetrainbet:games.payout96.14%
Razedrazed:game.rtp96.14%
Rollbitrollbit:static.games96.14%
Winnawinna:game.rtp96.14%

Multiplier distribution30d, sampled bets

239 sampled spins, 75% of them paid something.

1 in 10
sampled spins paid 10x+
3 spins
paid 100x+, too few to put a 1-in-N figure on
0 spins
paid 1000x+ in this sample
Observed swings
Compared once a slot has 20,000 sampled spins staked $0.10 or more in this window; this one has 239.
From 239 sampled spins; a small sample swings a lot, and every spin is independent. Bar height is square-root scaled so the rare high buckets stay visible. Hover a bar for the count.

Where it is played30d, share of sampled wagering

CoinCasino$176195 bets · 84%
Rainbet$26.9129 bets · 13%
Gamdom$7.5015 bets · 4%

When players play30d · sampled bets by UTC hour and weekday, since 2 Nov 2026

MonTueWedThuFriSatSun
Busiest hour: Sat 17:00–18:00 UTC with 74 bets; busiest time of day: 17:00–18:00 UTC; busiest day: Sat. Observed on the public feeds we read, a sample: when people were seen playing, not when anyone should. Hours are UTC.

Biggest hitslargest payouts we saw on this game

Book Of MedusaSpinomenalRedmandrew18$0.500.5 USD$250edge 3.9% · exp. −$0.02500.0x
Book Of MedusaSpinomenalja****987$1.121 EUR$210edge 3.9% · exp. −$0.04188.0x
Book Of MedusaSpinomenalRedmandrew18$0.500.5 USD$51.25edge 3.9% · exp. −$0.02102.5x
Book Of MedusaSpinomenalRea*******$0.110.11 USD$19.70edge 3.9% · exp. −<$0.01175.5x

Live RTP by casino30d, refreshes on reload

#CasinoObserved RTPOfficialDev.BetsWagered
1CoinCasino290.13%±238.1——195 bets · below min$176
2Rainbet41.30%±41.796.14%—29 bets · below min$26.91
3Gamdom5696.67%±6303.996.14%—15 bets · below min$7.50

About Book Of Medusafrom the figures on this page

Book Of Medusa is a Spinomenal slot. Over the last 30 days we observed 268 bets on it at 4 casinos, too few to measure its RTP over 30 days; the official RTP is 96.14%. Its highest multiplier in the last 30 days was 500.0x. The biggest win we saw on it paid $250 (500.0x) at Gamdom on 12 Nov 2026. Over the last 30 days it was played most, by wager, at CoinCasino, Rainbet and Gamdom.

More from Spinomenal30 days, by observed wagering