Our review of Irish Riches Bonanza cuts through the marketing and looks at what matters: how it plays and how it pays. Built by 18Peaches, it lands as a release with high variance and an RTP of 95.74%. You get a cluster-pays grid instead of fixed lines, all themed around irish. Dating back to 2024, it remains a regular pick. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. The full verdict is below.
Written by James Holloway · Last updated: January 2026
Irish Riches Bonanza is a release from 18Peaches, built around an irish theme and powered by a cluster-pays system where touching symbols form wins. The result is a high-variance maths model paired with an RTP of 95.74%.
Dig into the bonuses and Irish Riches Bonanza starts to stand out. Prefer to skip the wait? A bonus buy option lets you jump straight into the feature for a set multiple of your stake. Climbing multipliers during the bonus push the win potential higher the longer it runs. Look out for scatter symbols that unlock free spins and extra bonus rounds. With high variance, this one is aimed at players who can ride out the swings for the top wins. Overall it's a well-rounded release that knows what it is.
At 95.74%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Irish Riches Bonanza features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
Irish Riches Bonanza features increasing multipliers that grow during bonus rounds or consecutive wins. Each successive win increases the multiplier, potentially leading to massive payouts. The multiplier typically resets when the feature ends or when no new wins are formed.
Don't want to wait for the bonus to trigger naturally? Irish Riches Bonanza offers a Bonus Buy feature that lets you purchase direct access to the bonus round for a set multiple of your bet. This is perfect for players who want to jump straight into the action and experience the slot's best features immediately.
Instead of traditional paylines, Irish Riches Bonanza uses a cluster pays system where wins are formed by groups of matching symbols touching horizontally or vertically. The larger the cluster, the bigger the payout. This mechanic opens up many more potential winning combinations than fixed paylines.
3.2 / 5 — Good
Irish Riches Bonanza by 18Peaches is a solid offering that delivers good entertainment value. The 95.74% RTP combined with high volatility creates a well-balanced gaming experience.