Starburst XXXtreme Slot by NetEnt
Starburst XXXtreme is a 5x3 paylines slot by NetEnt, released in 2021.
Game facts
| Provider | NetEnt |
|---|---|
| Game type | Slots |
| Release date | July 2021 |
| RTP | 96.26% |
| Volatility | High volatility |
| Max win | 200,000x the bet |
| Reels × rows | 5 × 3 |
| Pays | 9 paylines |
| Bet range | 0.10–50 |
| Bonus buy | Yes |
| Wild symbol | Yes |
| Features | Expanding wildsRespinsMultiplier wilds |
| Themes | GemSpace |
| Restrictions | XXXtreme Spins are not available to UK players. |
| App | Yes — how to install |
Free demo of Starburst XXXtreme
The free demo of Starburst XXXtreme is on this page: no deposit and no real-money wins.
The demo uses virtual credits: no deposit, no real-money wins.
Where to play for real money
18+ · T&Cs apply · Gamble responsibly · Offers for your country
Real-money play is only for adults and only at licensed online casinos where online gambling is legal for you.
How to play Starburst XXXtreme
Bet range: 0.10–50
- Winning combinations are paid on paylines across the grid.
- A Wild expands over its reel and locks in place.
- Each locked Wild awards a respin.
- XXXtreme Spins is the bonus round that brings Wilds onto the grid.
Bonus features
Multipliers
Each Starburst Wild carries a random multiplier of x2, x3, x5, x10, x25, x50, x100 or x150; multipliers on screen add together, up to x450.
Bonus buy
XXXtreme Spins: 10x the stake for 1 guaranteed Starburst Wild per spin, or 95x the stake for 2 guaranteed Starburst Wilds per spin.
Starburst Wilds
land on reels 2-4, expand over the whole reel and lock in place while awarding a respin.
Wild multipliers
each Starburst Wild has a random x2-x150 multiplier and all multipliers in view are added, up to x450.
Random Wilds
after a spin or respin 1 to 3 Starburst Wilds can be added to reels 2, 3 and/or 4, each with a random multiplier.
XXXtreme Spins
pay 10x the stake for one guaranteed Starburst Wild or 95x for two on each spin, with 96.45% RTP.
RTP and volatility
| RTP version | Return per 100 staked |
|---|---|
| 96.26% | 96.26 |
High volatility
Other versions of Starburst XXXtreme
| Game | RTP | Max win | Volatility | Year |
|---|---|---|---|---|
| Starburst | 96.08% | 800x | Low volatility | 2012 |
Starburst XXXtreme app: download and install
The Starburst XXXtreme app for Android downloads with the button on this page.
- Tap the download button on this page to get the installation file.
- When Android asks, allow your browser to install apps from this source.
- Open the downloaded file from your notifications or downloads folder.
- Confirm the installation when prompted.
Common questions
What is the RTP of Starburst XXXtreme?
The default RTP of Starburst XXXtreme is 96.26%.
What is the max win in Starburst XXXtreme?
The max win in Starburst XXXtreme is 200,000x the bet. At the maximum bet that is 10,000,000.
How volatile is Starburst XXXtreme?
Starburst XXXtreme has high volatility.
Can you buy the bonus in Starburst XXXtreme?
Yes, Starburst XXXtreme has a bonus buy.
Can I play Starburst XXXtreme for free?
Yes. The free demo of Starburst XXXtreme is on this page: it uses virtual credits, with no deposit and no real-money wins.
Similar slots
18+. Gambling involves risk; play only where online casinos are legal for you.
Updated: Oct 26, 2026