Rainbow Riches slot review

Rainbow Riches slot: what you need to know

Rainbow Riches is the game that started one of Britain's best-known slot series. It comes from Barcrest, a studio with roots in the Manchester area that began with two staff in 1968 and is now owned by Light & Wonder. Barcrest's provider history dates the Rainbow Riches series from 2006, and the original still appears in many UK lobbies, often next to its sequels.

Compared with modern slots, it is simple. Five reels, three rows, up to 20 lines and three bonus rounds, with no cascading reels, cluster pays or growing grids. That simplicity is part of its appeal, and the numbers back up its reputation as a fairly calm game: medium volatility and a modest 500x cap. You can browse its relatives in our Rainbow Riches series guide or the main slots hub.

Rainbow Riches specifications

Barcrest games are known for RTPs around 94% to 96% that can depend on stake, so the figure at your casino may not be exactly 95%. The information screen shows the version in use. SlotCatalog's Rainbow Riches listing (opens in a new tab) has a description of the features.

How the features work

Each of the three bonuses is triggered differently and plays out in its own way. None of them is a free spins round.

Road to Riches

This is the series' signature bonus round. Three leprechaun symbols take you to a board shaped like a winding path. You spin a wheel, and each result moves you further along a trail of increasing multipliers. The climb continues until the wheel shows 'Collect', at which point you are paid the multiplier you have reached. The tension comes from not knowing which spin will end it.

Wishing Well

The Wishing Well symbol is a scatter, so it counts anywhere on the reels. Three or more start a pick feature: you choose from the wells on screen and are awarded a cash multiplier. The outcome is set by the game's random number generator, not by which well you pick.

Pots of Gold

Pots of Gold needs its symbol on each of the three middle reels at once. A pointer then moves around a set of pots and stops on one, which decides the prize. The published description does not list the prize values for any of the three features, so check the paytable for them.

Picks and pointers look like choices, but the result is random. No pick pattern or timing improves the return; see do online slots have memory.

Rainbow Riches paylines and the cost of a spin

Wins pay along fixed paylines, up to 20 of them, from left to right. A payline is a set path across the reels, so symbols must land in the right positions to pay, unlike the any-position counting of ways to win games.

Some versions let you choose how many lines to play; others fix all 20. If lines can be switched off, fewer lines cut the stake per spin but also cut the combinations that can pay, and the bonus symbol rules may differ. Playing fewer lines is not a way to improve your odds; it simply makes each spin smaller. Check the rules screen to see what your version allows.

Rainbow Riches RTP of 95%: a worked example

With a 95% RTP, the house edge is 5%. Suppose you play 200 spins at 20p. You stake £40 in total, and the average return is £38, so the expected cost is £2. Here is the same sum at other stakes.

A slot at 96.5% would cost £7 on the same £200 at £1, against £10 here, a difference of £3. That is the price of playing a classic with a slightly lower return. The Wizard of Odds slot machine guide (opens in a new tab) is a good primer on why slot returns vary by game and version.

Medium volatility and a £20 Rainbow Riches budget

Medium volatility means wins land at a steadier pace than in high volatility games, with fewer very long dry spells, but also a lower ceiling. For a £20 budget, that combination tends to give longer sessions.

The average cost is £1 on £20 staked at every level, because it is 5% of what goes through. The stake decides how many chances you get to see the features. More on this in making a budget last.

The Rainbow Riches max win of 500x

The top prize is 500 times your stake. That is a low cap by modern standards, where many slots advertise 5,000x or more, and it goes hand in hand with the medium volatility rating. In pounds:

• 10p stake: £50
• 50p stake: £250
• £1 stake: £500
• £2 stake (the cap for 18 to 24-year-olds): £1,000
• £5 stake (the cap for 25 and over): £2,500

A lower cap does not make the game better or worse value; that is decided by the RTP. It does mean the return is spread across more modest wins. See what a slot's max win means.

Rainbow Riches against its sequels

The Megaways version is the big departure: higher RTP, high volatility and a far larger cap. Pick 'n' Mix keeps the original's calm profile but lets you choose which bonuses are more likely. If you like the classic look, our Irish slots page lists more.

How to play Rainbow Riches online

1. Set a deposit limit that matches the amount you are happy to spend.
2. Load Rainbow Riches and read the paytable for the RTP version, line options and bonus prizes.
3. Choose a stake within the UK cap: £5 a spin for 25 and over, £2 for 18 to 24.
4. Spin and look for wins along the paylines from left to right.
5. Land three leprechauns for Road to Riches, three or more wells for Wishing Well, or Pots of Gold on reels 2 to 4 for the pots feature.
6. Check the net position on screen and stop at your planned limit, win or lose.

Rainbow Riches online and the UK slot rules

Its bright, simple look will feel familiar to anyone who knows British fruit machines, but online Rainbow Riches is regulated as an online slot, not as a gaming machine. That means the slot stake limits apply: £5 a spin for players aged 25 and over from 9 April 2025 and £2 for 18 to 24-year-olds from 21 May 2025, as set out in the Gambling Commission's stake limit guidance (opens in a new tab).

The game design rules also apply: no autoplay, no turbo or slam-stop, at least 2.5 seconds per spin, and no celebrating a return that doesn't beat your stake. For how online slots differ from the machines in pubs and arcades, read slots against fruit machines.

Is the Rainbow Riches slot right for you?

It suits players who want a familiar, gentle slot with bonus rounds rather than free spins. If you want more volatility, the Megaways version is the obvious step up.

Where to play Rainbow Riches in the UK

Our partners' welcome offers are slot deals, but they apply to Big Bass Bonanza or to selected games, not to Rainbow Riches by name, and we can't confirm which partners list it. Check the lobby first. All offers are 18+, new customers only, and terms apply.

• PlayOJO: 80 free spins on Big Bass Bonanza at 10p each with your first deposit of £10 or more. No wagering, so winnings are paid as cash. Excludes Northern Ireland and can't be combined. See our PlayOJO review.
• Coral: deposit and bet £10+ on slots for 100 free spins at 10p on selected games, to accept within 48 hours and use within 7 days, with no wagering on winnings. Certain deposit types, including PayPal, Skrill and prepaid cards, don't count. See our Coral review.
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Coral and Ladbrokes are both run by LC International Limited, so you may not be able to join both as a new customer. Remember that the 5% edge makes losses the likely outcome over time.

18+. Every casino game has a built-in house edge, so over time you should expect to lose what you stake. Set a budget before you play and stop when it’s gone: safer gambling tools and support. Free, confidential help: National Gambling Helpline 0808 8020 133.