Our review of Cash Cubes: Trio Bonus cuts through the marketing and looks at what matters: how it plays and how it pays. Built by Atomic City, it lands as a release with a medium volatility profile and 95.99% RTP. It's leaning into a bell aesthetic and plays out on a grid that rewards clusters rather than paylines. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. Originally released in 2024, it has aged well. The full verdict is below.
Written by Sophie Williams · Last updated: February 2026
Cash Cubes: Trio Bonus is a title from Atomic City. Presentation-wise it's dressed up with a bell theme, and it leans toward a medium volatility profile at a return-to-player rate of 95.99%. Under the hood you'll find a cluster-pays system where touching symbols form wins.
The mechanics are what make Cash Cubes: Trio Bonus interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium volatility strikes a middle ground that should suit most playing styles. Overall it's a well-rounded title that knows what it is.
At 95.99%, 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.
A balanced volatility profile with a mix of smaller frequent wins and occasional larger bonus payouts. Suitable for players who want steady action without extreme swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Cash Cubes: Trio Bonus 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.
Instead of traditional paylines, Cash Cubes: Trio Bonus 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.
3.0 / 5 — Good
Cash Cubes: Trio Bonus by Atomic City is a solid offering that delivers good entertainment value. The 95.99% RTP combined with medium volatility creates a well-balanced gaming experience.