Welcome to our deep dive on Lone Star Jackpots — the demo, the maths, and whether it earns a spot in your rotation. Built by Greentube, it lands as a slot with high volatility and an RTP of 95.14%. Originally released in 2015, it has aged well. Visually it's dressed up with a star theme, with the action running on 5 reels and 15 paylines. The maximum win sits at 25,000x, so there's serious upside on the table. The full verdict is below.
Written by Sarah Mitchell · Last updated: February 2026
At its core, Lone Star Jackpots is a title produced by Greentube. Presentation-wise it's leaning into a star aesthetic, and it leans toward high variance at a return-to-player rate of 95.14%. Under the hood you'll find 15 paylines across 5 reels.
Where Lone Star Jackpots earns its keep is the feature set. A progressive jackpot adds a wildcard payout that can land at any time. Look out for scatter symbols that unlock free spins and extra bonus rounds. With high variance, this one is aimed at players who can ride out the swings for the top wins. All told, it's a serviceable entry in the Greentube catalogue.
At 95.14%, 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.
Lone Star Jackpots 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.
Lone Star Jackpots 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
Lone Star Jackpots 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.