Thinking about giving Griffin a spin? We tested it thoroughly so you know what to expect. This is a GMW slot game, sitting firmly in the a medium high-variance maths model bracket and paying back an RTP of 95.67%. It's given an engaging visual treatment and plays out on 10 paylines across 5 reels. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. But is it actually worth playing? Read on.
Written by Sophie Williams · Last updated: January 2026
Griffin comes to us from GMW. Presentation-wise it's given an engaging visual treatment, and it leans toward medium high volatility at 95.67% RTP. Under the hood you'll find 10 paylines across 5 reels.
Dig into the bonuses and Griffin starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium high volatility strikes a middle ground that should suit most playing styles. On balance, Griffin is a dependable option worth a few spins in the demo first.
At 95.67%, 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.
Griffin 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
Griffin by GMW is a solid offering that delivers good entertainment value. The 95.67% RTP combined with medium high volatility creates a well-balanced gaming experience.