This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.
Play the Book of Oil free demo slot—no download required! Try Endorphina’s latest game, enjoy risk-free gameplay, explore features, and learn game strategies while playing responsibly. Read our expert Book of Oil slot review with ratings for key insights before you play.
Released:September 22 2021
Responsible Gaming
You have to be 18 years or older to play our demo games. Please confirm that you are of the legal age to proceed:
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Book of Oil is a video slot from the provider Endorphina. In this Book of Oil slot review you can read more about the features of the game.
Book of Oil has a layout that consists of 5 reels and up to 10 paylines / ways. The game has several features including Buy Feature, Expanding Symbols, Gamble, Retrigger, Scatter Pays, Special Symbol, Wilds, and more. Book of Oil also has a free spins bonus round and this is usually where you can win the big money.
The RTP (Return to Player) for Book of Oil slot is 96.05%. This payback is good and considered to be about average for an online slot. Theoretically, this means that for every €100 put into the game, the expected payout would be €96.05. However, the RTP is calculated on millions of spins, which means that the output for each spin is always random.
The highest possible payout for this slot is 5000x your total bet which is pretty high and gives you the chance to win quite big wins. The maximum possible win is also calculated over a huge amount of spins, often one billion spins.
Book of Oil was released on September 22 2021.
This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.
- Yes, Book of Oil is available for both free play and real money. You can try out our free demo above to experience the game before deciding to play with real cash. To play for real money, head over to an online casino of your choice among our recommended Endorphina sites.
- To play Book of Oil with real money, follow these simple steps:
- Yes! Most of our recommended online casinos offers a first deposit bonus that you can use on Book of Oil.
- You can win average amounts of up to 5000x your stake on this game.
Example: If you bet 1 EUR you can win 5000 EUR at most (when playing with real money).
