Welcome to our deep dive on Wish upon a star — the demo, the maths, and whether it earns a spot in your rotation. Developed by Greentube, Wish upon a star arrives with a high volatility profile and a published RTP of 95.18%. It's dressed up with a star theme and plays out on 5 reels and 15 paylines. The maximum win sits at 97,200x, so there's serious upside on the table. Originally released in 2019, it has aged well. The full verdict is below.
Written by Rachel Kim · Last updated: February 2026
This slot, Wish upon a star, is the work of Greentube. Presentation-wise it's leaning into a star aesthetic, and it leans toward high variance at a return-to-player rate of 95.18%. Under the hood you'll find 5 reels and 15 paylines.
Dig into the bonuses and Wish upon a star starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. A progressive jackpot adds a wildcard payout that can land at any time. The high volatility means patience is rewarded — expect quiet spells broken by bigger hits. Overall it's a straightforward slot that knows what it is.
At 95.18%, 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.
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.
Wish upon a star 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.
Wish upon a star features a progressive jackpot that grows with every spin placed by players across the network. The jackpot can be triggered randomly or through a special bonus feature, offering the chance to win a life-changing sum. The jackpot continues to grow until one lucky player hits the winning combination.
2.9 / 5 — Average
Wish upon a star by Greentube provides a straightforward slot experience. While it may not break new ground, it offers high volatility gameplay that will appeal to certain player preferences.