Professor Lightning

Professor Lightningslots

Massive Studiosplayed on 8 casinos we readofficial RTP 96.00%–96.50%

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

24h
137.13%±6.80
9 bets—
7d
133.83%±132.0
71 bets—
30d
157.78%±30.8
108 bets—
90d
157.78%±30.8
108 bets—
All
157.78%±30.8
108 bets—
Per casino, 30d
87 bets · below min
12 bets · below min
5 bets · below min
4 bets · below min
-0.5%107.3%215.0%
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
251
Wagered
$10.9K
Paid
$19.5K
Max multiplier
552.1x
Max payout
$2,880
too earlyNot enough bets over 30d to compare with the official RTP yet. Every spin is independent.

Official RTPas published by the studio and each casino

Massive Studiosstudio.engine.io96.50%
Gambagamba:games.house_edge96.00%not a studio figure
Rainbetrainbet:games.payout96.00%not a studio figure
Razedrazed:game.rtp96.00%not a studio figure
Stakestake:kurator.edge96.50%
Stake.usstake:kurator.edge96.50%
Thrillthrill:games-state.rtp96.00%not a studio figure
Winnawinna:game.rtp96.00%not a studio figure

Game factsfrom studio.engine.io

A slot, released in May 2026.

RTP
96.50%
Released
May 2026

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

Multiplier distribution30d, sampled bets

183 sampled spins, 31% of them paid something.

6 spins
paid 10x+, too few to put a 1-in-N figure on
2 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 167.
From 183 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

Roobet$2,0915 bets · 82%
500 Casino$20512 bets · 8%
Stake$1364 bets · 5%
Rainbet$11487 bets · 4%

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

MonTueWedThuFriSatSun
Busiest hour: Mon 21:00–22:00 UTC with 16 bets; busiest time of day: 05:00–06:00 UTC; busiest day: Mon. 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

Professor LightningMassive Studios$10.0110.01 USDT$2,880edge 3.5% · exp. −$0.35287.7x
Professor LightningMassive Studios$500500 SWEEPS$2,192edge 3.5% · exp. −$17.504.38x
Professor LightningMassive StudiosLacy$1,0001,000 USD$1,830edge 4.0% · exp. −$40.001.83x
Professor LightningMassive Studios$500500 SWEEPS$1,663edge 3.5% · exp. −$17.503.33x
Professor LightningMassive Studios$1,0001,000 USD$1,534edge 4.0% · exp. −$40.001.53x
Professor LightningMassive StudiosSnok...$400400 USD$1,237edge 4.0% · exp. −$16.003.09x
Professor LightningMassive Studios$4.004 SWEEPS$1,180edge 3.5% · exp. −$0.14295.0x
Professor LightningMassive Studios$0.480.48 USD$264edge 4.0% · exp. −$0.02552.1x
Professor LightningMassive Studios$0.400.4 SWEEPS$137edge 3.5% · exp. −$0.01343.4x
Professor LightningMassive StudiosJohn...$0.800.8 USD$137edge 4.0% · exp. −$0.03171.4x

Live RTP by casino30d, refreshes on reload

#CasinoObserved RTPOfficialDev.BetsWagered
1Rainbet83.62%±71.396.00%—87 bets · below min$114
2500 Casino72.42%±82.2——12 bets · below min$205
3Roobet176.52%±37.9——5 bets · below min$2,091
4Stake60.30%±48.496.50%—4 bets · below min$136

About Professor Lightningfrom the figures on this page

Professor Lightning is a Massive Studios slot. Over the last 30 days we observed 251 bets on it at 8 casinos, too few to measure its RTP over 30 days; the official RTP is 96.00%–96.50%. Its highest multiplier in the last 30 days was 552.1x. The biggest win we saw on it paid $2,880 (287.7x) at Stake on 8 Nov 2026. Over the last 30 days it was played most, by wager, at Roobet, 500 Casino and Stake.

More from Massive Studios30 days, by observed wagering