Slots
Book of Oil
Book of Oil is Endorphina's take on the slot format, and it is in the Coverd Arcade now. Its published return to player is 96.00%, effectively level with the 96.00% median across our slot catalogue. Among the 4,410 slot games we carry, our players have it at number 3948.
- Studio
- Endorphina
- Category
- Slots
- Return to player
- 96.00%
- Rank in Slots
- #3948
Slots are reel games: pick an amount, spin, and matching symbols pay out along the game's own lines and features. Across the 4,194 slot games here that publish a return, the figures run from 70.00% to 98.00%.
Endorphina has 225 games in the Coverd Arcade, concentrated in slot games.
Players who spend time on it tend to also play Dig Dig Digger, Aliens Among Us and Life and Death.
Book of Oil is playable free with coins. Coverd Cash mode is also available, and winnings there can be redeemed — no purchase necessary. It is available in most of the country; the arcade is not open in 6 states yet. In California, Indiana, Maine and New York the arcade offers PvP games of skill only, so this one is not available there.
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Frequently asked questions
- Is Book of Oil free to play?
- Yes. Book of Oil can be played free with coins in the Coverd Arcade. No purchase is necessary.
- What is the return to player for Book of Oil?
- Endorphina publishes a return to player of 96.00% for Book of Oil.
- Who makes Book of Oil?
- Endorphina, which has 225 games in the Coverd Arcade.
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