
Professor Lightningslots
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
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
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.
From studio.engine.io · read 13h agoStudio page ↗, opens in a new tab
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
0
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 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
When players play30d · sampled bets by UTC hour and weekday, since 2 Nov 2026
MonTueWedThuFriSatSun
by hour
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
Live RTP by casino30d, refreshes on reload
| # | Casino | Observed RTP | Official | Dev. | Bets | Wagered |
|---|---|---|---|---|---|---|
| 1 | Rainbet | 83.62%±71.3 | 96.00% | — | 87 bets · below min | $114 |
| 2 | 500 Casino | 72.42%±82.2 | — | — | 12 bets · below min | $205 |
| 3 | Roobet | 176.52%±37.9 | — | — | 5 bets · below min | $2,091 |
| 4 | Stake | 60.30%±48.4 | 96.50% | — | 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.