Thinking about giving Castle Blood a spin? We tested it thoroughly so you know what to expect. Developed by GameArt, Castle Blood arrives with a medium low-variance maths model and 96.14% RTP. You get 20 paylines across 5 reels, all wrapped in a horror theme. The maximum win sits at 7,500x, so there's serious upside on the table. Dating back to 2019, it remains a regular pick. So does it deliver? Let's get into it.
Written by Sarah Mitchell · Last updated: January 2026
Castle Blood is a title from GameArt, built around a horror theme and powered by a 5-reel grid running 20 paylines. The result is a medium low-variance maths model paired with 96.14% RTP.
Where Castle Blood earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Thanks to its medium low variance, wins come often enough to suit casual, lower-risk play. Overall it's a well-rounded title that knows what it is.
The RTP of 96.14% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Medium-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Castle Blood 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
Castle Blood by GameArt is a solid offering that delivers good entertainment value. The 96.14% RTP combined with medium low volatility creates a well-balanced gaming experience.