Starburst XXXtreme Slot Review: Wild Multipliers, Random Wilds & RTP
Starburst XXXtreme is a NetEnt slot released on 15 July 2021. It keeps the gem look of the original Starburst but plays very differently: 5 reels, 3 rows, 9 paylines, expanding Starburst Wilds that carry random multipliers up to 150x, and a listed maximum win of 200,000x the stake. Below are the facts we could confirm from published sources.
Starburst XXXtreme Specifications
| Software Provider: | NetEnt |
| Release Date: | 15 July 2021 |
| Theoretical RTP: | 96.26% base; 96.45% with the 10x XXXtreme Spins option (OLBG, SlotCatalog) |
| Layout: | 5 reels × 3 rows, 9 paylines |
| Volatility: | High to very high (OLBG, Gambling.com, SlotCatalog) |
| Bonus Features: | Expanding Starburst Wilds with re-spins, wild multipliers 2x–150x (combined up to 450x), Random Wilds, XXXtreme Spins bonus buy (not in the UK) |
| Bet Range: | 0.10 to 50 per spin (Gambling.com, SlotCatalog) |
| Max Win: | 200,000x the stake (capped at €1,685,600 per SlotCatalog) |
Figures come from public review sites and can differ by casino version. Always check the help screen in the game you play.
1. How the Wild Multipliers Work
The Starburst Wild lands on reels 2, 3 and 4 only. When it appears it expands to cover the whole reel and triggers a re-spin, and the wilds stay in place for up to 3 re-spins. What makes XXXtreme different from the original is that each Starburst Wild carries a random multiplier: 2x, 3x, 5x, 10x, 25x, 50x, 100x or 150x. If several wilds are on screen, their multipliers are added together up to a maximum of 450x, and the total applies to line wins from the spin where the first wild landed and the re-spins after it (SlotCatalog). That is also why a few spins carry most of the return.
2. Random Wilds and XXXtreme Spins
After any spin or re-spin, the Random Wilds feature can add 1 to 3 Starburst Wilds on reels 2, 3 and/or 4, each with a random multiplier of up to 150x. Outside the UK, the game also offers XXXtreme Spins, a bonus-buy option: SlotCatalog lists 10x your stake for a spin with 1 guaranteed Starburst Wild, or 95x your stake for a spin with 2 guaranteed wilds. Buying a feature raises the cost of each spin many times over, so decide your stake with that in mind. Looking for the classic, low-volatility version? Read our Starburst review.
3. Volatility, RTP Versions and Bankroll
The listed base RTP is 96.26%, but Gambling.com notes that some operators run lower variants, so open the help screen and check the figure in the casino you use. High volatility means long runs with little return are normal. Our RTP and volatility guide explains what this means for a session. Gambling is for adults (18+) only; set a budget before you start and stop when it is spent. A free demo, where the casino offers one, uses virtual credits and does not predict real-money results.
🧮 Player Tips
- Size your stake for high volatility: pick a bet small enough that a long dry run does not end your session early.
- Count the cost of bonus buys: at 10x or 95x your stake, a few purchased spins can use up a budget quickly.
- Check the RTP in the game: the same slot can run at different settings in different casinos.
4. Where to Play Starburst XXXtreme
Game libraries differ by country and operator, and bonus buys are switched off in some places, so confirm that the slot and its features are available before you deposit. The casinos below are ones whose reviews on this site list NetEnt among their providers; we have not checked each lobby for Starburst XXXtreme.
Booi Casino
Our Booi Casino review lists NetEnt among its slot providers. Read the bonus terms before you claim anything.
Jozz Casino
Our Jozz Casino review lists NetEnt among its game studios. Read the bonus terms before you claim anything.
Starburst XXXtreme Frequently Asked Questions
❓ What is the RTP of Starburst XXXtreme?
OLBG, Gambling.com and SlotCatalog all list the base RTP as 96.26%. OLBG and SlotCatalog list 96.45% when you use the 10x XXXtreme Spins option. Gambling.com notes that some operators run lower RTP variants, so check the help screen in the game you play.
❓ How do the wild multipliers work?
Starburst Wilds land on reels 2, 3 and 4. Each one expands to fill its reel and triggers a re-spin, and the wilds stay in place for up to 3 re-spins. Every Starburst Wild gets a random multiplier of 2x, 3x, 5x, 10x, 25x, 50x, 100x or 150x. When several wilds are on screen their multipliers add up, to a maximum of 450x (SlotCatalog, OLBG).
❓ What are Random Wilds?
After any spin or re-spin, the Random Wilds feature can add 1 to 3 Starburst Wilds on reels 2, 3 and/or 4, each with a random multiplier of up to 150x (SlotCatalog, OLBG).
❓ What are XXXtreme Spins?
XXXtreme Spins is a bonus-buy option. SlotCatalog lists two choices: pay 10x your stake for a spin with 1 guaranteed Starburst Wild, or 95x your stake for a spin with 2 guaranteed Starburst Wilds. It is not available to players in the UK, and many casinos and countries do not offer bonus buys, so check the game menu.
❓ What is the maximum win in Starburst XXXtreme?
All three sources list a maximum win of 200,000x the stake. SlotCatalog adds that this is capped at €1,685,600. Reaching it is extremely unlikely; treat it as a ceiling, not an expectation.
❓ How many paylines does Starburst XXXtreme have?
The sources list 5 reels, 3 rows and 9 paylines. Starburst XXXtreme is a separate slot from the original Starburst, which has 10 fixed lines; read our Starburst review for the original.
❓ Is Starburst XXXtreme high or low volatility?
OLBG rates it very high, and Gambling.com and SlotCatalog rate it high. Expect long stretches without much return and a few spins that carry most of the winnings, unlike the low-volatility original.
❓ Who makes Starburst XXXtreme?
Starburst XXXtreme is a NetEnt slot released on 15 July 2021. Browse more studios on our providers hub.