Mystery Box Review
Mystery Box keeps its idea simple: land five Mystery Box symbols and you open boxes, with up to four attempts, for random prizes or a multiplier.
Base game
The wild substitutes for every symbol except the bonus symbol and pays 50×, 100× and 500× the line bet. Lines pay from left to right, with only the highest win per line counted.
Mystery Box Features
Open the box
The bonus shows five mystery boxes, and you get up to four attempts. Each box gives a random prize or a multiplier bonus; the counters in the centre track winnings and the multiplier.
RTP
The configuration lists 90.2%, while its stated range is 90.6% to 93.3%.
Mystery Box Pros and Cons
Strengths
- Simple bonus
- Multiplier bonus
Limitations
- Bonus needs five symbols
- RTP around 90–93%
Our Verdict
Mystery Box is a short, simple WMG game for quick sessions.
Mystery Box FAQs
How many boxes can you open?
Up to four of the five.
What can a box contain?
A random prize or a multiplier bonus.
How do you trigger the bonus?
Land five Mystery Box symbols.
Sources and game-version notes
Information checked 31 October 2026.
Rules and RTP come from the embedded game's own rules and configuration files, read on 31 October 2026.