Our review of 20000 Leagues under the Sea cuts through the marketing and looks at what matters: how it plays and how it pays. Built by KA Gaming, it lands as a game with a low volatility profile and 96.61% RTP. Visually it's themed around adventure, with the action running on 5 reels and 30 paylines. Dating back to 2024, it remains a regular pick. If everything lines up, 20000 Leagues under the Sea can pay up to 250x your bet. Here's how it stacks up.
Written by Michael Torres · Last updated: January 2026
20000 Leagues under the Sea is a slot game from KA Gaming, built around an adventure theme and powered by 30 paylines across 5 reels. The result is a low volatility profile paired with a published RTP of 96.61%.
The mechanics are what make 20000 Leagues under the Sea interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. The low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. Overall it's a well-rounded slot game that knows what it is.
With an RTP of 96.61%, this slot sits above the industry average of ~96%. Players can expect a solid return over extended play sessions, making it a good choice for value-conscious players.
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.
20000 Leagues under the Sea 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
20000 Leagues under the Sea by KA Gaming is a solid offering that delivers good entertainment value. The 96.61% RTP combined with low volatility creates a well-balanced gaming experience.