Our review of Frog Grog cuts through the marketing and looks at what matters: how it plays and how it pays. This is a Thunderkick slot game, sitting firmly in the low variance bracket and paying back a published RTP of 96.1%. Top wins are capped at 1,000x your stake, a respectable ceiling for the format. Originally released in 2017, it has aged well. You get 5 reels and 25 paylines, all finished with a clean, modern look. Here's how it stacks up.
Written by Daniel Chen · Last updated: January 2026
This release, Frog Grog, is the work of Thunderkick, built with crisp artwork and atmosphere. It runs on a 5-reel grid running 25 paylines with low variance, and a published RTP of 96.1%.
Where Frog Grog earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Thanks to its low variance, wins come often enough to suit casual, lower-risk play. On balance, Frog Grog is a dependable option worth a few spins in the demo first.
The RTP of 96.1% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Low volatility means frequent small wins with less risk. This slot is ideal for players who prefer steady, consistent payouts and longer play sessions without dramatic bankroll swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Frog Grog 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
Frog Grog by Thunderkick is a solid offering that delivers good entertainment value. The 96.1% RTP combined with low volatility creates a well-balanced gaming experience.