Welcome to our deep dive on Forbidden Island — the demo, the maths, and whether it earns a spot in your rotation. Developed by Naga Games, Forbidden Island arrives with medium low volatility and a published RTP of 96.37%. Visually it's given an engaging visual treatment, with the action running on 30 paylines across 5 reels. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. The full verdict is below.
Written by Sophie Williams · Last updated: February 2026
At its core, Forbidden Island is a slot game produced by Naga Games. Presentation-wise it's wrapped in polished, characterful visuals, and it leans toward medium low variance at a published RTP of 96.37%. Under the hood you'll find 5 reels and 30 paylines.
Dig into the bonuses and Forbidden Island starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium 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.
The RTP of 96.37% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Medium-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Forbidden Island 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
Forbidden Island by Naga Games is a solid offering that delivers good entertainment value. The 96.37% RTP combined with medium low volatility creates a well-balanced gaming experience.