If you're trying to work out whether Ninja is worth your time, this hands-on review breaks it down. Built by Endorphina, it lands as a slot game with very high volatility and a published RTP of 96.04%. It's themed around ninja and asian and plays out on 5 reels and 10 paylines. The maximum win sits at 100,000x, so there's serious upside on the table. Here's how it stacks up.
Written by James Holloway · Last updated: January 2026
This title, Ninja, is the work of Endorphina. Presentation-wise it's built around a ninja and asian theme, and it leans toward very high variance at an RTP of 96.04%. Under the hood you'll find 10 paylines across 5 reels.
Where Ninja earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. The very high volatility means patience is rewarded — expect quiet spells broken by bigger hits. All told, it's a solid entry in the Endorphina catalogue.
The RTP of 96.04% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Very high volatility delivers the most extreme payout profile — long dry spells punctuated by potentially massive wins. Only recommended for experienced players with substantial bankrolls and high risk tolerance.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Ninja 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
Ninja by Endorphina is a solid offering that delivers good entertainment value. The 96.04% RTP combined with very high volatility creates a well-balanced gaming experience.