
Starburst
NetEnt
NetEnt · High volatility
The high-octane reimagining of Starburst trades low variance for a colossal 200,000x ceiling. Here's what changed.
Updated June 2026 · tested by our review team
Starburst XXXtreme (NetEnt, 96.26% RTP, high volatility, 200,000x stake max win) is available off GamStop at non-UK casinos. Read our full verdict, the game's real stats and a breakdown of how its features pay below.

| Developer | NetEnt |
|---|---|
| RTP | 96.26% (operators may run lower builds) |
| Volatility | High |
| Max win | 200,000x stake |
| Reels / layout | 5×3, 9 paylines (win both ways) |
| Min / max bet | £0.10 — £20 per spin |
| Features | XXXtreme Spins, sticky wilds, win multipliers up to 150,000x |
| Released | 2021 |
Our verdict
Starburst XXXtreme shares a name and a look with the gentle original, but the maths could not be more different. This is a high-volatility monster built around the XXXtreme Spins feature and multiplier-laden sticky wilds.
Wilds can land with random multipliers of up to 150,000x, and when several combine on the same spin the numbers become absurd — hence the 200,000x maximum win. Optional XXXtreme Spins let you pay extra to guarantee wilds. It's a thrill-seeker's slot with none of the original's calm.
High-ceiling games reward patience, not chasing. Whatever you play, set a budget first and stake at a level your bankroll can absorb. New to these sites? Start with our slots not on GamStop guide or our non UK casino reviews.
FAQ
Yes — Starburst XXXtreme is available at casinos licensed outside the UK that are not part of the GamStop network, so a GamStop self-exclusion will not block access. However, if you self-excluded because of gambling harm, we strongly recommend you keep that exclusion and seek support from GamCare rather than seeking out non-UK sites.
The default RTP of Starburst XXXtreme is 96.26% (operators may run lower builds). It is always worth checking the game's information panel before you play, as some operators run lower-RTP builds of the same game.
Yes. Starburst XXXtreme is a high-volatility slot, so wins are less frequent but can be much larger. It suits players comfortable with longer dry spells in pursuit of the bonus features.
Only cosmetically. The original is a low-volatility, beginner-friendly slot with a 500x cap. Starburst XXXtreme is a high-volatility game with multiplier wilds and a 200,000x ceiling — far swingier, with much bigger top-end potential and far longer dry spells.