Undercover Joker has been catching plenty of attention, so we put it through its paces to see how it really holds up. Built by Gaming1, it lands as a game with a high-variance maths model and a published RTP of 96.03%. Visually it's themed around joker, with the action running on 5 reels and 25 paylines. It first went live in 2022 and still earns its place today. If everything lines up, Undercover Joker can pay up to 5,000x your bet. The full verdict is below.
Written by Sophie Williams · Last updated: February 2026
At its core, Undercover Joker is a slot game produced by Gaming1. Presentation-wise it's built around a joker theme, and it leans toward high volatility at an RTP of 96.03%. Under the hood you'll find 25 paylines across 5 reels.
The mechanics are what make Undercover Joker interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. The high volatility means patience is rewarded — expect quiet spells broken by bigger hits. On balance, Undercover Joker is a dependable option worth a few spins in the demo first.
The RTP of 96.03% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Undercover Joker 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
Undercover Joker by Gaming1 is a solid offering that delivers good entertainment value. The 96.03% RTP combined with high volatility creates a well-balanced gaming experience.