
Millionaire Mystery Boxslots
Observed RTP vs officialpaid ÷ wagered over the sampled bets, with a 95% band
24h
82.84%±47.9
415 bets—
7d
95.47%±45.5
7,565 bets−0.1σ
30d
83.61%±38.0
11.2K bets−0.7σ
90d
83.61%±38.0
11.2K bets−0.7σ
All
83.61%±38.0
11.2K bets−0.7σ
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
- 11,388
- Wagered
- $15.8K
- Paid
- $26.5K
- Max multiplier
- 354.0x
- Max payout
- $2,064
normal−0.1σPast observed results over 30d: −0.1σ below the official RTP. Every spin is independent.
Official RTPas published by the studio and each casino
Game factsfrom beta.bigtimegaming.com
A 6×3 cluster-pays slot with medium volatility and wins up to 47,200× the bet, released in November 2019.
- RTP
- 96.69%
- Volatility
- Medium
- Bet range
- €0.10 – €40
- Layout
- 6 × 3 · cluster pays
- Released
- Nov 2019
Max win 47,200x, not hit in the feeds since 2 Nov 2026
- Free spins
- Bonus buy
- Gamble
Demos aren't available in your country. We hide demos where casino links are hidden, and in the UK.
From beta.bigtimegaming.com · read 8d agoStudio page ↗, opens in a new tab
Multiplier distribution30d, sampled bets
11,176 sampled spins, 40% of them paid something.
- 1 in 73
- sampled spins paid 10x+
- 6 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+
- Studio volatility
- Medium
- Observed swings
- Compared once a slot has 20,000 sampled spins staked $0.10 or more in this window; this one has 11,074.
From 11,176 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 22:00–23:00 UTC with 655 bets; busiest time of day: 22:00–23:00 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
Live RTP by casino30d, refreshes on reload
| # | Casino | Observed RTP | Official | Dev. | Bets | Wagered |
|---|---|---|---|---|---|---|
| 1 | Spartans | 94.12%±11.2 | 96.64% | −0.4σ | 10.8K | $2,301 |
| 2 | BC.Game | 81.17%±49.5 | — | — | 247 bets · below min | $8,578 |
| 3 | 500 Casino | 77.69%±22.2 | — | — | 77 bets · below min | $387 |
| 4 | Duel | 16.19%±18.8 | 96.69% | — | 12 bets · below min | $12.94 |
| 5 | Rainbet | 0.00%±0.00 | 96.69% | — | 5 bets · below min | $0.90 |
About Millionaire Mystery Boxfrom the figures on this page
Millionaire Mystery Box is a Big Time Gaming slot. Over the last 30 days we observed 11,162 bets on it at 9 crypto casinos, returning 83.61% (95% band 45.65%–121.58%) against an official RTP of 96.64%–96.69%. Its highest multiplier in the last 30 days was 354.0x. The biggest win we saw on it paid $2,064 (2.00x) at 500 Casino on 8 Nov 2026. Over the last 30 days it was played most, by wager, at BC.Game, Spartans and 500 Casino.
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