Who Wants to Be a Millionaire Mystery Box
Play Who Wants to Be a Millionaire Mystery Box slot by Big Time Gaming for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.
Only 0.3% of slots combine 243 Ways and Mystery Symbol.
The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.
Why this score
High confidence (100%)Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.
Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.
SlotRanker Score: 69 — Who Wants to Be a Millionaire Mystery Box by Big Time Gaming
https://slotranker.com/big-time-gaming/who-wants-to-be-a-millionaire-mystery-box#scoreTrue Cost to Play
Expected average based on this slot's 96.36% RTP — individual sessions vary with volatility.
Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.
Bankroll survival simulator
Compare Who Wants to Be a Millionaire Mystery Box with other games
 Who Wants to Be a Millionaire Mystery Box Score 69This game |  Rick and Morty Megaways Score 82 |  Playboy Gold Score 68 |  The Walking Dead Cash Collect Score 65 |  RoboCop: Cash Collect Score 63 | |
|---|---|---|---|---|---|
| Identity | |||||
| Studio | |||||
| Released | 11/6/2019 | 2/27/2020 | 3/7/2018 | 11/15/2022 | 2/14/2024 |
| Math | |||||
| RTP | 96.36% | 96.55% | 96% | 95.72% | 95.62% |
| Volatility | Medium volatility | Medium/High | Low volatility | Medium volatility | High volatility |
| Max win | 12,000× | 50,000× | — | 1,000× | 1,878× |
| Format | |||||
| Reels | 5 | 6 | 6 | 5 | 5 |
| Layout | 5x3 | 6x7 | 6x10 | 5x3 | 5x3 |
| Paylines | 243 | 117649 | 100 | 30 | 30 |
| Min bet | 0.10 | 0.10 | 0.50 | 0.10 | 0.10 |
| Max bet | 40.00 | 5.00 | 500.00 | 500.00 | 500.00 |
| Features | |||||
| Progressive | — | — | — | — | — |
| Wild symbol | ✓ | ✓ | ✓ | ✓ | ✓ |
| Free spins | ✓ | ✓ | ✓ | ✓ | ✓ |
| Scatter symbol | ✓ | ✓ | — | ✓ | ✓ |
| Multiplier | ✓ | ✓ | ✓ | ✓ | — |
| Bonus game | — | — | ✓ | — | — |
| Respins | — | — | ✓ | — | — |
Every number is shown as a delta against Who Wants to Be a Millionaire Mystery Box.
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|---|---|---|---|---|---|---|
 | Silver Stallion | 96.3% | Medium/High | 2,500× | 77 | |
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 | Santa Christmas Bells | 96.35% | — | 500× | 72 | |
 | Who Wants to Be a Millionaire Mystery Box | 96.36% | Medium volatility | 12,000× | 69 | |
 | Lara Croft Tomb of the Sun | 96.36% | High volatility | 4,000× | 78 | |
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 | The Phantom of the Opera | 96.4% | Medium volatility | — | 75 | |
 | Harley QuickWin | 96.43% | Medium volatility | 5,300× | 69 | |
 | Millionaire Rush | 96.44% | High volatility | 55,260× | 79 | |
 | Monopoly Megapots | 96.45% | High volatility | 98,850× | 85 |
- Silver StallionShuffle MasterRTP96.3%VolatilityMedium/HighMax win2,500×Score77
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- Who Wants to Be a Millionaire Mystery BoxBig Time GamingThis gameRTP96.36%VolatilityMedium volatilityMax win12,000×Score69
- Lara Croft Tomb of the SunTriple Edge StudiosRTP96.36%VolatilityHigh volatilityMax win4,000×Score78
- Wanted SalvationHacksaw GamingRTP96.38%VolatilityHigh volatilityMax win12,500×Score83
- Snoop's High RollersGaming CorpsRTP96.39%Volatility—Max win10,000×Score77
- The Phantom of the OperaGames GlobalRTP96.4%VolatilityMedium volatilityMax win—Score75
- Harley QuickWinRevolver GamingRTP96.43%VolatilityMedium volatilityMax win5,300×Score69
- Millionaire RushBig Time GamingRTP96.44%VolatilityHigh volatilityMax win55,260×Score79
- Monopoly MegapotsBig Time GamingRTP96.45%VolatilityHigh volatilityMax win98,850×Score85
Questions & Answers
Who Wants to Be a Millionaire Mystery Box FAQ
Who Wants to Be a Millionaire Mystery Box features an RTP of 96.36%, indicating the percentage of total bets paid back as winnings in the long run.
You can try Who Wants to Be a Millionaire Mystery Box completely free using virtual credits.
You can play Who Wants to Be a Millionaire Mystery Box on any new smartphone or tablet without any problems.
Who Wants to Be a Millionaire Mystery Box allows players to stake real money and collect real winnings.
You can pocket up to x12000.00 your stake in Who Wants to Be a Millionaire Mystery Box, depending on feature combinations.
No, there is no Bonus Buy feature in Who Wants to Be a Millionaire Mystery Box.
During basic play, you can get Free Spins in Who Wants to Be a Millionaire Mystery Box by hitting the proper combination of symbols.
Who Wants to Be a Millionaire Mystery Box doesn’t use the Megaways mechanic.
No, Who Wants to Be a Millionaire Mystery Box does not include a progressive jackpot.
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