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Money Train 4 (a 150,000x record), Hellcatraz, Money Cart — Relax Gaming is the Maltese studio behind today's biggest documented slot wins. Here's where to find its catalog.
Verified casinos with Relax Gaming
Relax Gaming slots tested
Updated monthly
Relax Gaming is a Maltese studio founded in 2010 and now a benchmark for record-breaking slot payouts. Money Train 4, released in 2024, holds the highest theoretical max win in the entire slot market at 150,000x the stake. Together with Hellcatraz, the four-strong Money Train saga forms Relax's most iconic and recognizable universe.
What makes Relax stand out: unmatched max-win ceilings (nothing else touches Money Train 4's 150,000x), consistently honest RTPs between 96% and 96.46% with no watered-down variants, and tightly built narrative worlds that keep players coming back release after release. It's found on the large majority of serious, well-regarded casinos today.
0 verified casinos that offer the Relax Gaming catalog.
The most played games from the Relax Gaming catalog — available at the casinos listed above.
96.1% RTP, 150,000x max win, the highest ceiling in the entire slot market
96.1% RTP, 100,000x max win, persistent reels with stacking multipliers
96.46% RTP, 51,840x max win, cluster pays with persistent multipliers
96.1% RTP, 50,000x max win, an accessible mini Money Train
99% RTP, 5,000x max win, a mythology book slot with a record-setting RTP
Money Train 4 tops out at 150,000x the stake, the single highest ceiling documented across the entire slot market.
Four slots that together form the most respected and consistent narrative universe in online slots.
96% to 96.46% across the catalog as standard, with Book of 99 pushing all the way up to a 99% RTP.
Relax Gaming holds partner casinos to strict RTP standards, refusing to work with operators that quietly lower payouts.
Many Relax Gaming slots exist in several RTP versions — 96.5%, 94.5%, sometimes as low as 88%. The casino chooses which version it deploys. Check the RTP shown in the game's info panel before starting a session.
On casinos with an active bonus, several Relax Gaming slots are sometimes excluded from wagering (usually the hits with the highest win caps). Read the list of excluded games in the T&Cs before betting during a wagering period.
Some casinos restrict Relax Gaming for players in certain jurisdictions (a restriction set by the provider itself). Check availability on your account before counting on a specific game — WinKingdom and Atlantis Slots, for example, apply adjusted provider lists depending on where you play.
Last updated: August 9, 2026 - All information is up to date and verified
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