UK review · Updated 29 August 2026
Rainbow Spins review
A Mega Reel that can land 500 — or far fewer.
7.8 / 10
18+ only. New customers. T&Cs apply. We may earn a commission if you join through this link — it never changes our score. How this works. Please gamble responsibly.
Rainbow Spins sells the Jumpman Mega Reel: up to 500 free spins on 9 Pots of Gold after £10, with 10x on bonus cash and the lifetime-deposit conversion cap.
Up to 500 is a ceiling, not a promise. The Mega Reel decides the count after you deposit, and bonus winnings convert only up to what you have paid in, max £250. A £10 deposit can convert £10. That is the sentence the advert never prints.
Checked 29 August 2026. If you like 9 Pots of Gold and you are funding at a level that makes the conversion cap less insulting, Rainbow is a fine Jumpman door. If you want a known spin count, take Thunder's fifty instead.
Why it scores
- Headline 500 is real as a maximum
- 10x on bonus cash
- Known pot-of-gold title
Why it does not
- Reel decides the actual count
- Conversion cap punishes small deposits
Verdict
A lottery ticket on top of a slot. Read the cap before you spin the reel.
18+ New players only. £10 min deposit. Free spins won via the Mega Reel. 10x wagering on bonus cash. Max bonus conversion to real funds equal to lifetime deposits, up to £250. Checked 29 Aug 2026. Full T&Cs apply.
18+ only. New customers. T&Cs apply. We may earn a commission if you join through this link — it never changes our score. How this works. Please gamble responsibly.