Series
Money Cart series
Money Cart series: from bonus reels to a 15,000x chase
The Money Cart series is Relax Gaming's high-volatility hold-and-win franchise, built on bonus symbols that shift each entry into a collection-focused feature. The connective tissue is mechanical rather than visual: the setting moves from the Wild West to futuristic theft and an apocalyptic train, while locked-symbol tension and escalating rewards remain central.
Ranked by Slot Score
| Game | Year | RTP | Volatility | Slot Score |
|---|---|---|---|---|
 Money Cart Bonus ReelsRelax Gaming | 2021 | 98% | High volatility | 75 |
 Money Cart 3Relax Gaming | 2023 | 96% | High volatility | 72 |
 Money Cart 4LatestRelax Gaming | 2024 | 96% | High volatility | 68 |
Money Cart Bonus Reels established the structure in 2021 on a 5x3 grid with 40 paylines, respins, multipliers and a 2,000x maximum win. Its 98% RTP and $0.10 to $100 bet range make it the mathematical outlier of the line, but its 2,000x ceiling is also the most restrained.
Money Cart 3 expanded the grid to 5x4 in 2023 and raised the ceiling to 10,000x. A cash collector, symbol swaps and instant-win events made the feature less dependent on a single multiplier route. Money Cart 4 followed in 2024 with the same grid size but pushed the maximum to 15,000x through symbol collection, reel modifiers and expanding or changing reel sets.
The progression is clear: Bonus Reels offers the widest betting range and highest listed RTP, Money Cart 3 introduces the collector-led modern format, and Money Cart 4 places more pressure on reel expansion and modifier combinations. The themes change sharply, but each sequel increases the number of ways the bonus can alter the board and lifts the reward ceiling with it.