Thinking about giving Flame Busters a spin? We tested it thoroughly so you know what to expect. Thunderkick are the team behind it, tuning the slot for a very high-variance maths model, with 96.1% RTP. The maximum win sits at 528,000x, so there's serious upside on the table. It's wrapped in polished, characterful visuals and plays out on 5 reels and 40 paylines. Originally released in 2017, it has aged well. So does it deliver? Let's get into it.
Written by Daniel Chen · Last updated: January 2026
Flame Busters is a slot from Thunderkick, finished with a clean, modern look and powered by 5 reels and 40 paylines. The result is a very high volatility profile paired with a return-to-player rate of 96.1%.
Dig into the bonuses and Flame Busters starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. With very high variance, this one is aimed at players who can ride out the swings for the top wins. Overall it's a well-rounded slot that knows what it is.
The RTP of 96.1% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Very high volatility delivers the most extreme payout profile — long dry spells punctuated by potentially massive wins. Only recommended for experienced players with substantial bankrolls and high risk tolerance.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Flame Busters 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.
3.0 / 5 — Good
Flame Busters by Thunderkick is a solid offering that delivers good entertainment value. The 96.1% RTP combined with very high volatility creates a well-balanced gaming experience.