Curious what Wild Joker Stacks actually feels like to play? Here's our full, no-fluff take. Boomerang Studios are the software studio behind it, tuning the game for high variance, with an RTP of 96.03%. Dating back to 2021, it remains a regular pick. Visually it's leaning into a joker aesthetic, with the action running on a 5-reel grid running 20 paylines. The maximum win sits at 282,000x, so there's serious upside on the table. So does it deliver? Let's get into it.
Written by Alex Crawford · Last updated: January 2026
At its core, Wild Joker Stacks is a game produced by Boomerang Studios, dressed up with a joker theme. It runs on 5 reels and 20 paylines with a high volatility profile, and a return-to-player rate of 96.03%.
The mechanics are what make Wild Joker Stacks 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. Overall it's a well-rounded game that knows what it is.
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.
Wild Joker Stacks 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
Wild Joker Stacks by Boomerang Studios is a solid offering that delivers good entertainment value. The 96.03% RTP combined with high volatility creates a well-balanced gaming experience.