Thinking about giving Serpent King a spin? We tested it thoroughly so you know what to expect. Red Tiger Gaming are the studio behind it, tuning the title for a medium high-variance maths model, with 95.7% RTP. If everything lines up, Serpent King can pay up to 12,825x your bet. You get 5 reels and 15 paylines, all leaning into a treasure aesthetic. The full verdict is below.
Written by Rachel Kim · Last updated: January 2026
Serpent King is a slot game from Red Tiger Gaming, themed around treasure. It runs on 5 reels and 15 paylines with medium high volatility, and 95.7% RTP.
The mechanics are what make Serpent King interesting. 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, Serpent King is a no-frills option worth a few spins in the demo first.
At 95.7%, 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.
Serpent King 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 — Average
Serpent King by Red Tiger Gaming provides a straightforward slot experience. While it may not break new ground, it offers medium high volatility gameplay that will appeal to certain player preferences.