Book of Oil

Endorphina · Slots · RTP 96.32% · Very high

Book of Oil is a free slots demo by Endorphina with an RTP of 96.32% and very high volatility. It runs in the browser with no registration, no deposit and no download.

Fire up the free demo of Book of Oil at Casino-360 and see why this Endorphina slot keeps players coming back. Solid return rates combined with medium volatility create a gameplay rhythm that appeals to newcomers and veterans alike. The layout includes wilds, scatters, and engaging bonus triggers. No account, no download — just click and spin in your browser. Crisp graphics and responsive controls translate perfectly across desktop and mobile.

How this game compares

•#307 of 566 games by RTP (top 54%)
•0.25 pp above the catalog average of 96.07%
•Endorphina in our database: 44 games, average RTP 96.26% — this title sits above that studio average
•very high volatility — shared by 127 of 566 games (22%)

Figures are calculated from our own database of 566 demo games. RTP is the value published by the studio, not a measurement.

Specifications

Book of Oil — Specifications
RTP	96.32%
Volatility	Very High
Provider	Endorphina
Category	Slots

Frequently Asked Questions

Is Book of Oil free to play?▾

Yes. Book of Oil is available in free demo mode on Casino-360. No registration, no deposit, and no download required — just open the page and click Play.

What is the RTP of Book of Oil?▾

Book of Oil has a return-to-player (RTP) rate of 96.32%. This means that, on average, the game returns $96.32 for every $100 wagered over the long term.

Can I play Book of Oil on mobile?▾

Absolutely. Book of Oil by Endorphina is built with HTML5 and runs smoothly on iPhones, iPads, Android phones, and tablets — no app needed.

Who made Book of Oil?▾

Book of Oil was developed by Endorphina, a licensed game studio known for fair, certified Slots games.

Can I win real money playing Book of Oil demo?▾

No. The demo version uses virtual credits only. To play for real money, visit one of the trusted casinos listed on this page.