iSoftBet

Booster Demo & Review 2026 – RTP, Features & Latest Wins!

Booster has been catching plenty of attention, so we put it through its paces to see how it really holds up. Built by iSoftBet, it lands as a title with medium high volatility and an RTP of 95.99%. It first went live in 2020 and still earns its place today. The maximum win sits at 12,000x, so there's serious upside on the table. It's wrapped in polished, characterful visuals and plays out on a 5-reel grid running 40 paylines. Here's how it stacks up.

Written by Alex Crawford · Last updated: February 2026

Booster Review – Game Overview

Booster comes to us from iSoftBet. Presentation-wise it's built with crisp artwork and atmosphere, and it leans toward a medium high-variance maths model at a published RTP of 95.99%. Under the hood you'll find a 5-reel grid running 40 paylines.

Where Booster earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Its medium high variance balances steady wins with the odd larger payout. All told, it's a solid entry in the iSoftBet catalogue.

Pros

  • Scatter symbols trigger free spins and bonus rounds
  • Impressive max win of 12,000x
  • Available to play for free in demo mode
  • HTML5 technology for smooth gameplay

Cons

  • Below-average RTP at 95.99%
  • Limited bonus features
  • No bonus buy option available

Booster RTP & Volatility

Return to Player (RTP)
95.99%

At 95.99%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.

Volatility
Medium High

Medium-high volatility means wins come less frequently but tend to be larger when they hit. Players should be prepared for dry spells between bigger wins, requiring a moderate bankroll.

Maximum Win
12,000x
Hit Frequency
~30%

About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.

Booster Features & Bonus Mechanics

Scatter & Free Spins

Booster 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.

Final Verdict

3.0 / 5 — Good

Booster by iSoftBet is a solid offering that delivers good entertainment value. The 95.99% RTP combined with medium high volatility creates a well-balanced gaming experience.

Booster – Frequently Asked Questions

What is the RTP of Booster?
The RTP of Booster is 95.99%, which is slightly below the industry average of ~96%. RTP stands for Return to Player and represents the theoretical percentage of wagered money that is paid back to players over time.
What is the volatility of Booster?
Booster has medium high volatility. Medium-high volatility means wins come less frequently but tend to be larger when they hit. Players should be prepared for dry spells between bigger wins, requiring a moderate bankroll.
Can I play Booster for free?
Yes! You can play the Booster demo here on GamesReviews with no registration or deposit required. The demo version plays identically to the real money version with the same RTP, bonus features, and mechanics.
What is the maximum win in Booster?
The maximum win in Booster is 12,000x your total stake. This is an impressive max win that can be achieved through the game's bonus features and special mechanics.
Is Booster available on mobile?
Yes, Booster has been fully optimised for mobile devices using HTML5 technology. It runs smoothly on all modern iOS and Android devices, with responsive touch controls and auto-scaling to fit any screen size.
Where can I see the Booster paytable?
You can view the full Booster paytable by clicking the info or menu icon within the game. The paytable shows all symbol values, winning combinations, special symbol functions, and bonus round rules at your current bet level. We recommend reviewing the paytable before playing to understand the payout structure.
Can I play Booster for free without registering?
Yes. Booster free play is available right here on GamesReviews with no registration, no download, and no deposit required. Simply load the demo above and play with virtual credits to experience all the game's features risk-free.