Slot Specifications
Reviewed by James Mitchell · Fact-checked against iSoftBet's published game data
Player Reviews
“Bankroll was healthy so went in heavier than normal — the Bonus Game triggered out of nowhere and just kept paying. RTP's solid on this game too, one reason it's stayed in my rotation. Big stakes, bigger nerves, biggest payout in a while.”
“Half asleep, playing on my phone in bed when the Bonus Game triggered out of nowhere and just kept paying. RTP's solid on this game too, one reason it's stayed in my rotation. Mobile graphics held up well for the bonus round too.”
FAQ
What is the RTP of Booster?+
Booster has an RTP (Return to Player) of 97.4%. This means for every £100 wagered over a long period, the slot theoretically returns £97.40 to players. This is above the UK industry average of around 95-96%.
Can I play Booster for free?+
Yes — you can play Booster for free using the demo version above. No registration or deposit is required. This is a great way to learn the features before playing with real money.
What is the volatility of Booster?+
Booster has Medium volatility. Medium-volatility slots offer a balance between frequency and size of wins.
What is the maximum win in Booster?+
The maximum win in Booster is ×6000 your stake. For example, on a £1 spin, the theoretical maximum payout would be £6000.00. Maximum wins are extremely rare and depend on optimal bonus conditions.
Who developed Booster?+
Booster was developed by iSoftBet, released in 2019. You can see more iSoftBet titles via the "About iSoftBet" link in the sidebar.
Can I play Booster on mobile?+
Yes, Booster is fully compatible with mobile devices — it runs directly in your phone or tablet browser with no app download required.
