Book of Oil
Play Book of Oil slot by Endorphina for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.
Only 0.8% of slots combine Additional Free Spins and Gamble.
The Slot Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.
Why this score
High confidence (86%)Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.
Popularity Proxy is a conservative derived signal. SlotRanker does not yet use live play telemetry for this category.
Compare Book of Oil with other games
 Book of Oil Score 74This game |  Petro Fortuna Score 54 |  Outsourced: Payday Score 63 |  Texan Tycoon Score 67 |  NYC Real Estate HD Score 55 | |
|---|---|---|---|---|---|
| Identity | |||||
| Studio | |||||
| Released | 9/17/2021 | 6/27/2024 | 12/17/2024 | 4/26/2010 | 1/15/2014 |
| Math | |||||
| RTP | 96.05% | 95% | 94.01% | — | 94.9% |
| Volatility | Medium volatility | Low volatility | High volatility | High volatility | Medium volatility |
| Max win | — | 2,100× | 10,000× | — | — |
| Format | |||||
| Reels | 5 | 5 | 5 | 5 | 5 |
| Layout | 5x3 | 5x3 | 5x3 | 5x3 | 5x3 |
| Paylines | 10 | 10 | — | 25 | 25 |
| Min bet | 0.01 | 0.10 | 0.20 | 0.25 | 0.01 |
| Max bet | 50.00 | 25.00 | 100.00 | 125.00 | 25.00 |
| Features | |||||
| Progressive | — | — | — | ✓ | — |
| Wild symbol | ✓ | ✓ | — | ✓ | ✓ |
| Free spins | ✓ | ✓ | ✓ | ✓ | ✓ |
| Scatter symbol | ✓ | ✓ | — | ✓ | ✓ |
| Multiplier | — | — | — | ✓ | — |
| Bonus game | — | — | — | — | — |
| Respins | — | — | — | — | — |
Every number is shown as a delta against Book of Oil.
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Questions & Answers
Book of Oil FAQ
When you play Book of Oil, you may expect an RTP of 96.05%.
Absolutely. Book of Oil includes a no-cost demo version you can launch instantly.
Whether you’re using a phone or a tablet, Book of Oil is fully accessible.
You may play Book of Oil for real money at a number of the online casinos listed above.
You don’t have to wait for luck — in Book of Oil, you can buy direct access to the bonus feature.
Yes, Book of Oil includes a Free Spins feature.
No, Book of Oil is not a Megaways game.
No, there is no progressive jackpot in Book of Oil.
