Thinking about giving Zhang Gu a spin? We tested it thoroughly so you know what to expect. This is a GMW slot, sitting firmly in the medium high variance bracket and paying back 96.28% RTP. It first went live in 2024 and still earns its place today. The maximum win sits at 5,000x, so there's serious upside on the table. It's built with crisp artwork and atmosphere and plays out on 25 paylines across 5 reels. The full verdict is below.
Written by Sarah Mitchell · Last updated: January 2026
At its core, Zhang Gu is a title produced by GMW, built with crisp artwork and atmosphere and powered by a 5-reel grid running 25 paylines. The result is a medium high-variance maths model paired with an RTP of 96.28%.
Where Zhang Gu earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Its medium high variance balances steady wins with the odd larger payout. On balance, Zhang Gu is a dependable option worth a few spins in the demo first.
The RTP of 96.28% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
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.
Zhang Gu 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
Zhang Gu by GMW is a solid offering that delivers good entertainment value. The 96.28% RTP combined with medium high volatility creates a well-balanced gaming experience.