Key Facts
Book of Oil is a medium (3/5)-volatility online slot from Endorphina with an RTP of 96.05%.
- Provider
- Endorphina
- RTP
- 96.05%
- Volatility
- Medium (3/5)
- Layout
- -×-
- Paylines
- -
- Released
- 2025
Page updated July 2026
Game Review
Book of Oil is one of those Medium (3/5) volatility games from Endorphina that keeps things interesting. 96.05% RTP and N/A max wins? Count us in!
Where to Play Book of Oil
18+ | Play responsibly | Ad — we may earn a commission from these partners.
Book of Oil FAQ
What is the RTP of Book of Oil?+
Book of Oil has an RTP (return to player) of 96.05%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Endorphina — individual sessions can land far above or below it.
How volatile is Book of Oil?+
Book of Oil is rated medium (3/5) volatility. Medium-volatility slots sit between the extremes — a balance of win frequency and win size.
Who makes Book of Oil?+
Book of Oil is developed by Endorphina and was released in Jan 01, 2025.
What is the layout of Book of Oil?+
Book of Oil plays on a -×- grid with - paylines.
Tech Specs
Verified Data via Johnessy AI
