Big Brain
#2322 of 7,053 games by turnover, last 30 days · #997 of 2,086 new releases
- RTP 96.5%
- Max win 25,000x
- Std deviation 25.9
- Released 31 Oct 2026
Play Big Brain on 1 platform
When each casino listed Big Brain
RunewagerLive since 31 Oct
Casino links may be affiliate links: we may earn a commission if you sign up. 18+ · How we're funded
Last 30 days
Complete UTC days · Engine InsightsPlayer accounts count one account on one casino, so a person on two casinos counts twice. Figures: Engine Insights (full page on Engine).
Big Brain RTP, max win and bonus buys
Official figures · version 2| Mode | Type | Cost | RTP | Max win |
|---|---|---|---|---|
| Atomic Spark | Bet boost | 3x the bet | 96.5% | 25,000x |
| Double Reaction | Bonus buy | 10x the bet | 96.5% | 460.82x |
| Event Horizon | Bonus buy | 250x the bet | 96.5% | 25,000x |
| Ringworld Observatory | Bonus buy | 100x the bet | 96.5% | 25,000x |
| Nebula Forge | Bonus buy | 300x the bet | 96.5% | 25,000x |
From engine.io's public provably-fair tool, for the game's current version (checked 1 Nov 2026). RTP is the long-run average return; real sessions vary widely. Max win is in multiples of the bet. 18+, play responsibly.
Quick answers
- What is the RTP of Big Brain?
- Big Brain by playlootbox has an RTP of 96.5%.
- What is the max win in Big Brain?
- The maximum win is 25,000x the bet.
- Does Big Brain have a bonus buy?
- Yes: Double Reaction costs 10x the bet, Event Horizon costs 250x the bet, Ringworld Observatory costs 100x the bet, Nebula Forge costs 300x the bet.
- When was Big Brain released?
- Big Brain was released on 31 Oct 2026.
- Where can I play Big Brain?
- Big Brain is on Stake and we have also seen it at Runewager. Casino links may be affiliate links. 18+.
Leaderboard placings
| Calendar | Rank | Turnover | Bets | Avg bet |
|---|---|---|---|---|
| Yesterday | — | — | — | — |
| This week | — | — | — | — |
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| Last 30 days | — | — | — | — |
| All-time | — | — | — | — |
| Since launch | Rank | Turnover | Bets | Avg bet |
|---|---|---|---|---|
| 24h after launch | — | — | — | — |
| First week | — | — | — | — |
| First month | — | — | — | — |
From Engine's public leaderboards: yesterday, this week, this month, the last 30 days and all time, plus each game's first day, week and month since launch. A dash means the game is outside that board. Average bet is turnover ÷ bets.