Our review of Zombie Lab cuts through the marketing and looks at what matters: how it plays and how it pays. Built by Octavian Gaming, it lands as a slot game with medium low volatility and a published RTP of 95.2%. If everything lines up, Zombie Lab can pay up to 5,000x your bet. You get a 5-reel grid running 15 paylines, all given an engaging visual treatment. So does it deliver? Let's get into it.
Written by Daniel Chen · Last updated: February 2026
Zombie Lab comes to us from Octavian Gaming, given an engaging visual treatment and powered by a 5-reel grid running 15 paylines. The result is a medium low volatility profile paired with 95.2% RTP.
Dig into the bonuses and Zombie Lab starts to stand out. 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 Octavian Gaming catalogue.
At 95.2%, 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-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.
Zombie Lab 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
Zombie Lab by Octavian Gaming is a solid offering that delivers good entertainment value. The 95.2% RTP combined with medium low volatility creates a well-balanced gaming experience.