lobbies checked from a UK connection
Plenty of casinos carry the leprechaun. They differ in how much of the series they have and what they tell you about it.
The UK casino that has the most Rainbow Riches slots is Mecca Bingo, with 20 titles, ahead of Rainbow Riches Casino with 19. Betway, PlayOJO, Virgin Games and MrQ carry 8 to 15 each. All six hold an active UK Gambling Commission licence, checked in the public register on 10 October 2026.
In short
Bonus size does not move a casino up the list: it says nothing about whether the game you came for is there.
From each casino's own pages and the UK Gambling Commission register, 10 October 2026.
| Casino | Rainbow Riches titles | RTP of the original | Lowest deposit | UKGC account |
|---|---|---|---|---|
| Mecca Bingo | 20 | 95.00% on game page | £5 (not PayPal or Paysafe) | 57924 |
| Rainbow Riches Casino | 19 | not on game page | £10 for the welcome offer | 38905 |
| Betway | 15 | not on game page | £10 for the match bonus | 39372 |
| PlayOJO | 15 (casino's own count) | not on game page | £10, all methods | 39326 |
| Virgin Games | 10 | not on game page | £10 for the welcome offer | 38905 |
| MrQ | 8 | 93.99% on game page | £10, all methods | 60629 |
"Not on game page" means the RTP is only in the in-game help, which opens once you are logged in.
THE LIST
Ordered by how many Rainbow Riches games each casino lists, not by bonus. Every link goes to the casino's own site, the same way for all six.
The widest range we found, Road to Even More Riches and Slingo Rainbow Riches included. Prints the original's RTP and has the lowest deposit.
Built around the series by Gamesys Operations Limited. The only casino here whose welcome spins are on a Rainbow Riches game.
A big sports and casino brand with fifteen titles in the lobby. Its free-spin welcome offer has no wagering; the match bonus has 10x.
Says it carries fifteen Rainbow Riches games. Welcome spins carry no wagering, exclude Northern Ireland and go to another slot.
Same licence as Rainbow Riches Casino, about half the series, including the original and Pick N Mix.
The fewest titles, but one of two casinos that print the original's RTP, and the lower figure of the two.
Rainbow Riches is a Barcrest series now released by Light & Wonder, and each casino picks which titles to license, which is why the counts run from 8 to 20. The original game and Pick N Mix are at all six; newer releases turn up at only some:
Our guide to the Rainbow Riches games explains how the versions differ.
A casino also chooses the version. Light & Wonder sells its 2025 build of Rainbow Riches in five return-to-player settings, from 87% to 96%. Only two casinos in our list print the figure on the game page: Mecca Bingo shows 95.00% for the original, MrQ 93.99%. Over £100 of spins that gap is about a pound, and it never works in your favour. See Rainbow Riches RTP by casino for how to find the number yourself.
Only Rainbow Riches Casino puts its welcome spins on a Rainbow Riches title; the others point them at different slots.
| Casino | Spins | Game | Deposit needed |
|---|---|---|---|
| Rainbow Riches Casino | 30 | Rainbow Riches Pick N Mix | £10 + £10 wagered |
| Virgin Games | 100 | Game of Thrones | £10 + £10 wagered |
| MrQ | 100 | Big Bass Splash | £10 |
| PlayOJO | 50 | Big Bass Bonanza | £10 |
| Mecca Bingo | 50 | King Kong Cash Even Bigger Bananas | £5 |
| Betway | 150 | five slots from a set list | £20 by debit card |
On a tight budget, read high or low volatility on a small budget and compare a dedicated slot site with a big brand before you choose.
BEFORE YOU DEPOSIT
Find it in the footer and type it into the Gambling Commission register. The domain you are on should be listed under that account.
Welcome spins are often on a different slot. Only Rainbow Riches Casino in our list puts them on a Rainbow Riches game.
Spins expire: 48 hours at MrQ, 30 days at Rainbow Riches Casino and Virgin Games. Unused spins are simply lost.
Deposit limits, time-outs and GamStop self-exclusion are free and work at every casino licensed in Great Britain.
FACTS
Each casino was opened from a British home broadband connection on 10 October 2026. The licence number from its footer went into the Gambling Commission register; then we counted the Rainbow Riches games it has its own pages for.
No named author on purpose: this is a record anyone can check, not an opinion.
The order answers one question: where the most Rainbow Riches games are.
Set a deposit limit when you register, check which game the welcome spins are for, and stop when the budget is gone. Gambling is for over-18s only.
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