NetEntNetEnt

    Starburst XXXtreme

    9.2/10
    Release July 2021· Updated June 2026

    Premium sequel to the iconic Starburst (July 2021). Max 200,000x, wild multipliers up to x150. BetsRank score: 9.2/10.

    RTP
    96.26%
    Volatility
    High
    Max Win
    200 000x
    Grid
    5x3
    Bonus Buy
    Yes
    Expanding Sticky Wild RespinsWild Multipliers x2-x150Combined multiplier cap x450XXXtreme Spins (10x ou 95x guaranteed)Random Wilds 1-3 reels 2-4
    Starburst XXXtreme
    🎰

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    BetsRank Verdict

    Hands-on testing by Alexandre Dubois — bonus tested, multiple sessions

    Released on 15 July 2021, Starburst XXXtreme is the ultra-volatile premium sequel to the original Starburst (2012) — an iconic NetEnt slot barely recognisable once the XXXtreme layer turns the math model into an explosion machine. Format 5x3 / 9 paylines, RTP 96.26% (boosted to 96.45% with XXXtreme Spins active), max win 200,000x (capped at €1,685,600 on max stake), high volatility.

    Strengths

    • +Max win 200,000x — top tier for NetEnt all-time
    • +Wild multipliers x2-x150, combinable up to a x450 cap
    • +XXXtreme Spins 95x option guarantees 2 wilds
    • +RTP boosted to 96.45% when XXXtreme Spins are active
    • +Sequel to the iconic Starburst — strong brand recognition

    To consider

    • High volatility — dry base game between hits
    • XXXtreme Spins 95x option means a very high stake per spin
    • 9-payline format is limited compared to Megaways titles
    • Some casinos may offer degraded RTP versions

    About Starburst XXXtreme

    Released on 15 July 2021, Starburst XXXtreme is the ultra-volatile premium sequel to the original Starburst (2012), an iconic NetEnt slot that has powered more spins than almost any other game in history. The XXXtreme layer turns the classic math model into a multiplier explosion machine. Format 5x3 / 9 paylines, RTP 96.26% (boosted to 96.45% with XXXtreme Spins active), max win 200,000x (capped at €1,685,600 on maximum stake), high volatility. The math model rewards sessions where Starburst Wilds land on the middle 3 reels with maxed-out multipliers.

    The visual world keeps the iconic cosmic neon universe of the original: multicoloured gems (ruby, sapphire, emerald, amber, amethyst, diamond) set against a deep starry space background, with a palette of cosmic black, UV violet, electric cyan, gold and ruby red. Cinematic animations show the Starburst Wilds exploding into golden stars at the centre of the reels, multipliers popping up as floating numbers, and dramatic reveals on the biggest chains. The sound design layers NetEnt's signature cosmic synthwave with electronic pulses and a dramatic crescendo.

    The signature mechanic is Expanding Sticky Wild Respins: when a Starburst Wild lands on one of the 3 middle reels (2, 3, 4), it expands to cover the whole reel, becomes sticky, and triggers a respin. Each Wild generates a random multiplier between x2 and x150. Multiple simultaneous wilds combine their multipliers additively, up to a total cap of x450, which can catapult a win towards the 200,000x ceiling.

    The XXXtreme Spins options (not available in the UK) let you pay 10x your stake for a guaranteed wild on the spin, or pay 95x for 2 guaranteed wilds — an ultra-volatile but lucrative option that boosts RTP to 96.45%. An additional Random Wilds feature can award 1-3 extra wilds on reels 2, 3 or 4 after any spin.

    Starburst XXXtreme is available on casinos offering NetEnt titles. Worth comparing with Starburst (the original from 2012, max 50,000x), Gonzo's Quest Megaways (another iconic NetEnt sequel), Dead or Alive 2 (NetEnt's record max win of 111,111x), Divine Fortune Megaways (NetEnt's Greek-themed Megaways title) and Hotline 2 (another NetEnt sequel).

    Key features

    • 5x3 format, 9 paylines
    • Official RTP 96.26% (96.45% with XXXtreme Spins)
    • High volatility
    • Max win 200,000x (capped at €1,685,600)
    • Expanding Sticky Wild Respins
    • Wild multipliers x2-x150
    • Combined multiplier cap of x450
    • XXXtreme Spins at 10x or 95x stake
    • Random Wilds on reels 2-4
    • Sequel to the iconic Starburst (2012)
    💰 Bonus Buy: XXXtreme Spins: 10x or 95x stake (1-2 guaranteed wilds, not available in the UK)

    Starburst XXXtreme FAQ

    What is the RTP of Starburst XXXtreme?

    The official RTP is 96.

    26%. With XXXtreme Spins active, RTP rises to 96. 45%. Always check the in-game 'i' button, as some casinos may offer degraded versions (94. 46% / 92. 46%).

    Starburst XXXtreme vs the original Starburst?

    Starburst (2012): max win 50,000x, simple Wild Respins mechanic.

    Starburst XXXtreme (2021): max win 200,000x, wild multipliers x2-x150 plus the XXXtreme Spins options. The sequel offers a 4x higher max win with added multipliers.

    Are the XXXtreme Spins worth it?

    The 10x stake option guarantees 1 wild on the spin; the 95x option guarantees 2 wilds.

    Both boost RTP to 96. 45% (vs 96. 26%), but multiply the cost per spin by 10x or 95x. Only worth it with a solid bankroll.

    How do you reach the 200,000x max win?

    You need 5 simultaneous wilds on reels 2/3/4 plus a massive chain of maxed-out multipliers (x150 each) totalling the x450 cap.

    Statistically very rare, but achievable via the 95x XXXtreme Spins option.

    Is Starburst XXXtreme available to play?

    Yes, on casinos that offer NetEnt titles.

    The XXXtreme Spins option may be restricted in some jurisdictions, such as the UK.

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    Slot sheet last updated on · Sources: slotcatalog.com, official provider sites, BetsRank hands-on testing