WatchMySpin Casino runs a free spins offer from Monday at 00:00 GMT until Thursday at 23:59 GMT. A minimum deposit of £20 with code MBOX gives players 1 Mystery Box minigame.
The box holds a random prize of 25 to 100 free spins. Spins work on slots only. The bonus carries a 50x wagering requirement and it's redeemable once per day.
The promo code expires on 2026-10-29. The schedule suits players who deposit early in the week (Monday through Thursday), with the code entered at deposit. That's the full set of conditions.
