Thinking about giving Power Stars a spin? We tested it thoroughly so you know what to expect. Developed by Greentube, Power Stars arrives with a medium-variance maths model and a published RTP of 95.54%. Visually it's given an engaging visual treatment, with the action running on 40 paylines across 5 reels. The maximum win sits at 10,000x, so there's serious upside on the table. Dating back to 2017, it remains a regular pick. The full verdict is below.
Written by Rachel Kim · Last updated: February 2026
Power Stars comes to us from Greentube. Presentation-wise it's wrapped in polished, characterful visuals, and it leans toward medium variance at 95.54% RTP. Under the hood you'll find 40 paylines across 5 reels.
The mechanics are what make Power Stars 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. All told, it's a serviceable entry in the Greentube catalogue.
At 95.54%, 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.
Power Stars 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.
2.9 / 5 — Average
Power Stars by Greentube provides a straightforward slot experience. While it may not break new ground, it offers medium volatility gameplay that will appeal to certain player preferences.