Relax Gaming offers some of the highest-paying online slots in the industry, with RTPs ranging from 96% to 99%. Here are their top-performing slots by return to player percentage:

Book of 99 (RTP: 99%)

• Combines high RTP with high volatility
• Features mythological theme
• Wild scattered book symbols trigger free spins
• Special expanding symbol during bonus rounds
• Collectable book meter system

Marching Legions (RTP: 98.12%)

• Roman legion theme with stacked legionaries
• Nudge feature increases Marching Stacks appearance
• Collection Meter triggers Free Spins
• Potential wins up to 10,000x bet
• High volatility with engaging features

Powerspin (RTP: 96.84%)

• Classic 3x3 slot with 5 paylines
• Bonus wheel with multipliers
• Symbol upgrade feature
• Re-spin feature with locked symbols
• Betting range: €0.10 to €500

Hellcatraz (RTP: 96.83%)

• Retro pixel art graphics
• 46,656 ways to win
• Mystery Symbols with countdown feature
• Super Free Spins with instant reveals
• Maximum win: 51,840x bet

Money Train Series (RTP: 96.4%)

• Features Collectors, Snipers, and Necromancers
• High volatility gameplay
• Maximum win potential: 50,000x bet
• Money Cart offers direct bonus round access
• Multiple game variations available

Important Note: Actual RTPs may vary by jurisdiction and operator settings. Some markets, like Germany, may offer lower RTP versions due to regulatory requirements and taxes.

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