If you're trying to work out whether Alien Spinvasion is worth your time, this hands-on review breaks it down. Developed by Rival, Alien Spinvasion arrives with a medium low volatility profile and 96.17% RTP. It first went live in 2019 and still earns its place today. Top wins are capped at 1,500x your stake, a respectable ceiling for the format. You get 10 paylines across 5 reels, all wrapped in an alien theme. The full verdict is below.
Written by James Holloway · Last updated: March 2026
Alien Spinvasion comes to us from Rival. Presentation-wise it's built around an alien theme, and it leans toward medium low volatility at 96.17% RTP. Under the hood you'll find a 5-reel grid running 10 paylines.
Where Alien Spinvasion earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Thanks to its medium low variance, wins come often enough to suit casual, lower-risk play. All told, it's a solid entry in the Rival catalogue.
The RTP of 96.17% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Medium-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Alien Spinvasion 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
Alien Spinvasion by Rival is a solid offering that delivers good entertainment value. The 96.17% RTP combined with medium low volatility creates a well-balanced gaming experience.