The Mystery Box bonus from Monster Casino gives their users a chance to win up to 100 Free Spins every week from Monday to Thursday.
How to get the bonus Monster Casino
- Log in to your account between Monday 00:00 GMT and Thursday 23:59 GMT and make a minimum deposit of £20.
- Enter the promo code: MBOX when making your deposit to receive one Mystery Box minigame.
- Open the Mystery Box to reveal your free spins prize.
- Your free spins will be awarded automatically.
Promotion terms
This offer is available from Monday 00:00 GMT until Thursday 23:59 GMT. To participate, players must make a minimum deposit of £20 and use the promo code MBOX to receive one Mystery Box minigame. Each deposit made with the promo code during the promotional period will award one Mystery Box, allowing players to earn up to 400 free spins per week. Opening the Mystery Box will randomly award one of the following free spin amounts:
| Mystery Box Outcome | Free Spins Awarded |
|---|---|
| Tier 1 | 25 Free Spins |
| Tier 2 | 35 Free Spins |
| Tier 3 | 45 Free Spins |
| Tier 4 | 55 Free Spins |
| Tier 5 | 65 Free Spins |
| Tier 6 | 100 Free Spins |
How to wager the bonus
Once awarded, free spins must be used within 24 hours on eligible casino games. Any winnings generated from the free spins are considered bonus funds and must be wagered 10 times before they can be withdrawn. Wagering contributions apply and vary by game. All bonus funds and winnings will expire 7 days after being credited if wagering requirements are not met. The maximum amount that can be converted from bonus winnings to your real cash balance is £20. Withdrawal requests made while a bonus is active or pending will void the bonus.
