Book of Nibiruslots

1spin4winplayed on 3 casinos we readofficial RTP 97.40%

Compare

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

24h

186.84%±287.9

7 bets—

28.76%±33.7

19 bets—

30d

26.31%±28.4

27 bets—

90d

26.31%±28.4

27 bets—

All

26.31%±28.4

27 bets—

Per casino, 30d

Rainbet

24 bets · below min

BC.Game

3 bets · below min

-0.5%48.8%98.0%

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: 44
Wagered: $51.73
Paid: $311
Max multiplier: 212.5x
Max payout: $213

too earlyNot enough bets over 30d to compare with the official RTP yet. Every spin is independent.

Official RTPas published by each casino

BetFurybetfury:game.rtp97.40%

Metawinmetawin:game.rtp97.40%

Qzinoqzino:openSlotPage.rtp97.40%

Rainbetrainbet:games.payout97.40%

Multiplier distribution30d, sampled bets

27 sampled spins, 30% of them paid something.

0 spins: paid 10x+ in this sample
0 spins: paid 100x+ in this sample
0 spins: paid 1000x+ in this sample

0-1

1-2

2-5

5-10

10-50

50-100

100-1000

1000+

Observed swings: Compared once a slot has 20,000 sampled spins staked $0.10 or more in this window; this one has 27.

From 27 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

Rainbet$25.5024 bets · 81%

BC.Game$6.053 bets · 19%

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

MonTueWedThuFriSatSun

by hour

Busiest hour: Sun 12:00–13:00 UTC with 7 bets; busiest time of day: 12:00–13:00 UTC; busiest day: Wed. 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 Nibiru1spin4winSabamax$1.000.89 EUR$213edge 2.6% · exp. −$0.03212.5x2d

Live RTP by casino30d, refreshes on reload

#	Casino	Observed RTP	Official	Dev.	Bets	Wagered
1	Rainbet	28.63%±35.1	97.40%	—	24 bets · below min	$25.50
2	BC.Game	16.56%±32.6	—	—	3 bets · below min	$6.05

About Book of Nibirufrom the figures on this page

Book of Nibiru is a 1spin4win slot. Over the last 30 days we observed 44 bets on it at 3 casinos, too few to measure its RTP over 30 days; the official RTP is 97.40%. Its highest multiplier in the last 30 days was 212.5x. The biggest win we saw on it paid $213 (212.5x) at BC.Game on 9 Nov 2026. Over the last 30 days it was played most, by wager, at Rainbet and BC.Game.