Book of Lady

Book of Ladyslots

Endorphinaplayed on 16 casinos we readofficial RTP 96.00%–96.03%

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

24h
184.28%±155.2
69 bets—
7d
89.58%±28.0
1,247 bets−0.4σ
30d
95.54%±26.9
1,695 bets−0.0σ
90d
95.54%±26.9
1,695 bets−0.0σ
All
95.54%±26.9
1,695 bets−0.0σ
Per casino, 30d
46.45%±12.741,181 bets
153 bets · below min
123 bets · below min
65 bets · below min
56 bets · below min
54 bets · below min
41 bets · below min
12 bets · below min
5 bets · below min
4 bets · below min
1 bets · below min
-0.5%7702.8%15406.0%
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
2,206
Wagered
$5,536
Paid
$29.9K
Max multiplier
1,343x
Max payout
$4,507
normal−0.4σPast observed results over 30d: −0.4σ below the official RTP. Every spin is independent.

Official RTPas published by the studio and each casino

Endorphinaendorphina.com96.03%
Acebetacebet:slots.houseEdge96.00%not a studio figure
BetFurybetfury:game.rtp96.00%not a studio figure
Chipschips:game.rtp96.00%not a studio figure
Housebetshousebets:game.rtp96.00%not a studio figure
Metawinmetawin:game.rtp96.00%not a studio figure
Qzinoqzino:openSlotPage.rtp96.00%not a studio figure
Rainbetrainbet:games.payout96.00%not a studio figure
Razedrazed:game.rtp96.00%not a studio figure
Rollbitrollbit:static.games96.00%not a studio figure
Shuffleshuffle:game.edge96.00%not a studio figure
Stakestake:kurator.edge96.03%
Thrillthrill:games-state.rtp96.03%
Whale.iowhale:game.rtp96.00%not a studio figure

Game factsfrom endorphina.com

A 5×3 10-line slot with high volatility.

RTP
96.03%
Volatility
High
Bet range
€0.10 – €45
Layout
5 × 3 · 10 lines
  • Free spins
  • Gamble

Demos aren't available in your country. We hide demos where casino links are hidden, and in the UK.

Multiplier distribution30d, sampled bets

1,934 sampled spins, 38% of them paid something.

1 in 25
sampled spins paid 10x+
1 in 149
sampled spins paid 100x+
0 spins
paid 1000x+ in this sample
Studio volatility
High
Observed swings
Compared once a slot has 20,000 sampled spins staked $0.10 or more in this window; this one has 1,860.
From 1,934 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

Housebets$1,8181,181 bets · 65%
Shuffle$34612 bets · 12%
500 Casino$220123 bets · 8%
BC.Game$1334 bets · 5%
Rainbet$96.6456 bets · 3%
Gamdom$83.0941 bets · 3%
CoinCasino$60.12153 bets · 2%
Roobet$27.601 bets · 1%
Acebet$6.8054 bets · 0%
Shock$6.5065 bets · 0%
Stake$1.945 bets · 0%

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

MonTueWedThuFriSatSun
Busiest hour: Fri 15:00–16:00 UTC with 239 bets; busiest time of day: 15:00–16:00 UTC; busiest day: Sun. 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 LadyEndorphinarazerclaw$20.030.000264 BTC$4,507edge 4.0% · exp. −$0.80225.0x
Book of LadyEndorphinalolz$8.0013,328 500CASINO_BUX$1,380edge 4.0% · exp. −$0.32172.5x
Book of LadyEndorphinalolz$8.0013,328 500CASINO_BUX$1,332edge 4.0% · exp. −$0.32166.5x
Book of LadyEndorphinasprudzs$1.001 USDT$1,177edge 4.0% · exp. −$0.041,177x
Book of LadyEndorphinaVrhnjhpwrycc$235235 USDT$1,139edge 4.0% · exp. −$9.414.84x
Book of LadyEndorphinarazerclaw$15.020.000198 BTC$1,112edge 4.0% · exp. −$0.6074.00x
Book of LadyEndorphinaQzer_4940150$2.500.028 SOL$1,086edge 4.0% · exp. −$0.10434.6x
Book of LadyEndorphinarazerclaw$20.130.000268 BTC$1,047edge 4.0% · exp. −$0.8052.00x
Book of LadyEndorphinalolz$6.009,996 500CASINO_BUX$672edge 4.0% · exp. −$0.24112.0x
Book of LadyEndorphinasprudzs$2.002 USDT$340edge 4.0% · exp. −$0.08170.0x

Live RTP by casino30d, refreshes on reload

#CasinoObserved RTPOfficialDev.BetsWagered
1Housebets46.45%±12.796.00%−7.6σ1,181$1,818
2CoinCasino163.82%±82.4——153 bets · below min$60.12
3500 Casino94.89%±48.1——123 bets · below min$220
4Shock216.15%±373.5——65 bets · below min$6.50
5Rainbet60.99%±85.696.00%—56 bets · below min$96.64
6Acebet37.50%±24.796.00%—54 bets · below min$6.80
7Gamdom1311.08%±1073.996.00%—41 bets · below min$83.09
8Shuffle40.84%±17.096.00%—12 bets · below min$346
9Stake6025.82%±9379.596.03%—5 bets · below min$1.94
10BC.Game68.90%±35.7——4 bets · below min$133
11Roobet27.54%±0.00——1 bets · below min$27.60

About Book of Ladyfrom the figures on this page

Book of Lady is a Endorphina slot. Over the last 30 days we observed 1,695 bets on it at 16 crypto casinos, returning 95.54% (95% band 68.64%–122.43%) against an official RTP of 96.00%–96.03%. Its highest multiplier in the last 30 days was 1,343x. The biggest win we saw on it paid $4,507 (225.0x) at Thrill on 8 Nov 2026. Over the last 30 days it was played most, by wager, at Housebets, Shuffle and 500 Casino.

More from Endorphina30 days, by observed wagering

Crown CoinsMedium–high vol.Demo106.62%
Hell Hot 100Low vol.Demo201.45%
2026 Hit SlotHigh vol.Demo148.03%
3 ThundersMedium–high vol.Demo$79.8K
Dazzling CrownLow–medium vol.Demo$69.7K
3 Golden ChestsHigh vol.Demo$64K
Book Of SantaHigh vol.Demo54.40%
Dia de los Muertos 2High vol.Demo116.53%