Thinking about giving Boo a spin? We tested it thoroughly so you know what to expect. This is a Big Time Gaming slot, sitting firmly in the high volatility bracket and paying back an RTP of 96.33%. Top wins are capped at 47,050x your stake, a genuinely massive ceiling for the patient. It first went live in 2024 and still earns its place today. It's dressed up with a halloween theme and plays out on 4 reels and 10 paylines. But is it actually worth playing? Read on.
Written by James Holloway · Last updated: March 2026
Boo comes to us from Big Time Gaming. Presentation-wise it's wrapped in a halloween theme, and it leans toward high volatility at an RTP of 96.33%. Under the hood you'll find 4 reels and 10 paylines.
Dig into the bonuses and Boo starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. With high variance, this one is aimed at players who can ride out the swings for the top wins. Overall it's a well-rounded game that knows what it is.
The RTP of 96.33% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Boo 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
Boo by Big Time Gaming is a solid offering that delivers good entertainment value. The 96.33% RTP combined with high volatility creates a well-balanced gaming experience.