Big Ghoulies Review
Big Ghoulies is a playful horror slot from WMG. Its bonus shows a haunted house with 20 windows: open them for cash, avoid the skeletons and look for the multiplier.
Base game
The wild substitutes for every symbol except the bonus symbol and pays 50×, 100× and 500× the line bet. Lines pay from left to right, with only the highest win per line counted.
Big Ghoulies Features
The window bonus
Five house symbols start the bonus. Each window reveals a cash prize, a skeleton (you lose a life) or the multiplier reward, which can multiply your bonus winnings. It ends when your lives run out.
RTP
The rules quote 90.6% to 93.2%, and the configuration is set to 90.6%.
Big Ghoulies Pros and Cons
Strengths
- Big pick-and-avoid bonus
- Multiplier reward
Limitations
- Bonus needs five symbols
- RTP around 90.6%
Our Verdict
Big Ghoulies is a fun monster-themed pick game on top of a standard line slot.
Big Ghoulies FAQs
How many windows does the bonus have?
Twenty.
What does a skeleton do?
It costs a life.
What is the RTP?
Configured at 90.6%.
Sources and game-version notes
Information checked 31 October 2026.
Rules and RTP come from the embedded game's own rules and configuration files, read on 31 October 2026.