Mystery Box: free spins offer dates, prize pool and terms

Free spins offer shown on 49 sites. Checked on 14 November 2026.

Dates, pool and entry

Free spins offer Mon, Tue, Wed, Thu

Section
Casino
Type
Free spins offer
Starts
not stated
Ends
not stated
Prize pool
not stated
Minimum bet or stake
not stated
Entrants
not stated
Games
Slots
Runs on
Monday, Tuesday, Wednesday, Thursday
Sites
49

Prize ladder

The sites state no prize ladder for this event.

Terms, verbatim

Site summary: Unbox up to 100 Free Spins! Use code MBOX

Opt-in Required. Deposit with promo code offer. Offer can be claimed once per day between Monday-Thursday. Players can win randomly 25-100 Free Spins. Min Deposit £20 required. Wager from real balance first. 10x wager any winnings from the free spins within 7 days. Contribution varies per game. Available on selected games only. Wager calculated on bonus bets only. Mystery Box is valid for 24 hours and free spins are valid for 7 days from receipt. Max conversion: £20. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits.

18+. Terms apply. BeGambleAware.org

Sites running this (49, A–Z)

Related

    Questions and answers

    When does Mystery Box run?

    The text names Monday, Tuesday, Wednesday, Thursday; no start or end date is stated.

    What is the prize pool?

    No prize pool is stated.

    How do I qualify?

    Minimum bet or stake: not stated. The site's own terms are printed in full on this page.

    Which sites run Mystery Box?

    49 sites: 21betscasino.com, 21luckybet.com, 777bet.casino, acelucky.com, africasports.com, betarno.com and 43 more. Checked on 14 November 2026.