Looking for a Duel of Kings review or want to try Duel of Kings before playing for real? You're in the right place. Developed by Apollo Games, Duel of Kings is a medium volatility slot with an RTP of 99% and a maximum win potential of 5,000x your stake, with an engaging visual design. With 10 paylines and a 5-reel, 10-payline layout, it delivers engaging gameplay.
Written by Sophie Williams · Last updated: January 2026
Duel of Kings is a slot developed by Apollo Games with an engaging visual design. The game features a 5-reel, 10-payline layout with an RTP of 99% and medium volatility, offering impressive win potential for players of all experience levels.
At 99%, this slot offers an excellent return to player rate, well above the industry average of ~96%. This makes it one of the more generous slots available in terms of long-term payout potential.
A balanced volatility profile with a mix of smaller frequent wins and occasional larger bonus payouts. Suitable for players who want steady action without extreme swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Duel of Kings 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
Duel of Kings by Apollo Games is a solid offering that delivers good entertainment value. The 99% RTP combined with medium volatility creates a well-balanced gaming experience.