If you're trying to work out whether Cosmic Voyager is worth your time, this hands-on review breaks it down. Thunderkick are the developer behind it, tuning the game for a very high volatility profile, with an RTP of 96.14%. If everything lines up, Cosmic Voyager can pay up to 500,000x your bet. Visually it's given an engaging visual treatment, with the action running on a 5-reel grid running 40 paylines. Expect a hit frequency around 30.04%, which sets the rhythm of play. The full verdict is below.
Written by James Holloway · Last updated: March 2026
At its core, Cosmic Voyager is a release produced by Thunderkick. Presentation-wise it's wrapped in polished, characterful visuals, and it leans toward a very high-variance maths model at a return-to-player rate of 96.14%. Under the hood you'll find 40 paylines across 5 reels.
Dig into the bonuses and Cosmic Voyager starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The very high volatility means patience is rewarded — expect quiet spells broken by bigger hits. Overall it's a well-rounded release that knows what it is.
The RTP of 96.14% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Very high volatility delivers the most extreme payout profile — long dry spells punctuated by potentially massive wins. Only recommended for experienced players with substantial bankrolls and high risk tolerance.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Cosmic Voyager 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.
3.1 / 5 — Good
Cosmic Voyager by Thunderkick is a solid offering that delivers good entertainment value. The 96.14% RTP combined with very high volatility creates a well-balanced gaming experience.