Our review of Muscle Power cuts through the marketing and looks at what matters: how it plays and how it pays. This is a Superlotto Games release, sitting firmly in the a medium high volatility profile bracket and paying back a return-to-player rate of 95.81%. Visually it's given an engaging visual treatment, with the action running on a 5-reel grid running 10 paylines. It first went live in 2024 and still earns its place today. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. The full verdict is below.
Written by Emma Roberts · Last updated: January 2026
Muscle Power is a game from Superlotto Games. Presentation-wise it's finished with a clean, modern look, and it leans toward a medium high-variance maths model at a return-to-player rate of 95.81%. Under the hood you'll find a 5-reel grid running 10 paylines.
Where Muscle Power earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Its medium high variance balances steady wins with the odd larger payout. All told, it's a solid entry in the Superlotto Games catalogue.
At 95.81%, 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.
Medium-high volatility means wins come less frequently but tend to be larger when they hit. Players should be prepared for dry spells between bigger wins, requiring a moderate bankroll.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Muscle Power 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.
3.0 / 5 — Good
Muscle Power by Superlotto Games is a solid offering that delivers good entertainment value. The 95.81% RTP combined with medium high volatility creates a well-balanced gaming experience.