Stellar Joker has been catching plenty of attention, so we put it through its paces to see how it really holds up. Built by Greentube, it lands as a release with medium variance and a published RTP of 95%. It first went live in 2024 and still earns its place today. The maximum win sits at 5,000x, so there's serious upside on the table. You get 25 paylines across 5 reels, all leaning into a joker aesthetic. Here's how it stacks up.
Written by Rachel Kim · Last updated: March 2026
Stellar Joker is a slot from Greentube. Presentation-wise it's leaning into a joker aesthetic, and it leans toward medium volatility at a published RTP of 95%. Under the hood you'll find 25 paylines across 5 reels.
Where Stellar Joker earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium volatility strikes a middle ground that should suit most playing styles. All told, it's a solid entry in the Greentube catalogue.
At 95%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
A balanced volatility profile with a mix of smaller frequent wins and occasional larger bonus payouts. Suitable for players who want steady action without extreme swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Stellar 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
Stellar Joker by Greentube is a solid offering that delivers good entertainment value. The 95% RTP combined with medium volatility creates a well-balanced gaming experience.