Fish Tankslots

155.IOplayed on 4 casinos we readofficial RTP 90.09%–93.59%

Compare

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

24h

—

84.09%±117.8

21 bets—

30d

92.33%±111.4

28 bets—

90d

92.33%±111.4

28 bets—

All

92.33%±111.4

28 bets—

Per casino, 30d

Rainbet

26 bets · below min

Duelbits

1 bets · below min

Shuffle

1 bets · below min

-0.5%113.3%227.0%

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: 63
Wagered: $2,473
Paid: $5,950
Max multiplier: 50.10x
Max payout: $5,010

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

Official RTPas published by each casino

Acebetacebet:slots.houseEdge90.09%

Chipschips:game.rtp90.09%

Housebetshousebets:game.rtp93.59%

Rainbetrainbet:games.payout93.59%

Razedrazed:game.rtp90.09%

Rollbitrollbit:static.games93.59%

Shuffleshuffle:game.edge90.09%

Thrillthrill:games-state.rtp90.09%

Winnawinna:game.rtp93.59%

Yeetyeet:games-by-tag.returnToPlayer90.09%

Multiplier distribution30d, sampled bets

28 sampled spins, 25% 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 28.

From 28 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$29326 bets · 97%

Duelbits$6.001 bets · 2%

Shuffle$2.231 bets · 1%

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

MonTueWedThuFriSatSun

by hour

Busiest hour: Sun 14:00–15:00 UTC with 17 bets; busiest time of day: 14:00–15:00 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

Fish Tank155.IOmarc...$100100 USD$5,010edge 6.4% · exp. −$6.4150.10x4d

Live RTP by casino30d, refreshes on reload

#	Casino	Observed RTP	Official	Dev.	Bets	Wagered
1	Rainbet	90.29%±114.8	93.59%	—	26 bets · below min	$293
2	Duelbits	226.33%±0.00	—	—	1 bets · below min	$6.00
3	Shuffle	0.00%±0.00	90.09%	—	1 bets · below min	$2.23

About Fish Tankfrom the figures on this page

Fish Tank is a 155.IO slot. Over the last 30 days we observed 63 bets on it at 4 casinos, too few to measure its RTP over 30 days; the official RTP is 90.09%–93.59%. Its highest multiplier in the last 30 days was 50.10x. The biggest win we saw on it paid $5,010 (50.10x) at Rainbet on 6 Nov 2026. Over the last 30 days it was played most, by wager, at Rainbet, Duelbits and Shuffle.