Book of Oil slot Review

Books are the main theme of the Book of Oil slot machine from the Endorphina provider. If you are lucky, you can win large prizes, up to 5,000 bets.

You can find more information in the article below.

8.20 /10
Book of Oil
promo code
promo code
0.01 USD
Min bet
50 USD
Max bet
Max payout
Number of reels
Number of lines

Where to Play Book of Oil slot?

Play Free Demo Book of Oil slot

You can try the Book of Oil slot machine from the Endorphina provider in demo mode on our Casinoz website for free.

If you want to play for real money, choose an honest casino from the list below, register, make a deposit, and start playing!

Leave your opinions about the game, share your experience with other players, and rate the slot.

Play for free 100% free
T&C applies, 18+

Online Casinos with Book of Oil slot for Indians

Total 4

How to Play Book of Oil slot machine

The Book of Oil slot machine from the Endorphina provider has a standard playing field, consisting of 5 reels with 3 symbols. All payouts are made on 10 pay lines.

You must make the bet before every spin. The minimum bet is 1 cent, and the maximum - is 100 dollars per spin.

The slot has the following features:

  • Basic symbols;
  • Replacement symbol;
  • Free Spins;
  • Purchase bonus.

If you want to get a payout, you must create a combination of identical symbols on any pay line.

There is a risk game in the slot so you will be able to increase your win by guessing the hole card.

The slot has a beautiful design with well-drawn symbols and good sound effects that complement the game process. You will not want to leave this slot.

Book of Oil Symbols, Wild, Scatter

All symbols in the slot can be divided into two categories:

  • Special: Wild;
  • Basic: others.

A book is a universal symbol and can be used in any combination. Also, it activates free spins which you will know about later.

You can know more about the slot’s paytable in the main menu or our gallery.

  • Book
    Activates free spins and is a replacement symbol
  • Broker
    Stock market trader
  • Tower
    Pumping oil
  • Barrels
    Oil barrels
  • Money
    Bundles of money
  • A
  • K
  • Q
  • J
  • 10

Book of Oil Bonus games

There is a special feature in this game:

  • Buy Feature - you can activate free spins for free.

Book of Oil slot free spins

There are free spins in this game:

  • Free Spins - is activated when 3 book symbols land. Before the start of the spins, a symbol is selected that will expand to the entire reel when dropped.


There aren’t any jackpots in this game.

Book of Oil RTP, Volatility & Hit Frequency

Technical parameters of the clot:

  • Book of Oil RTP: 96. 05%;
  • Volatility: high;
  • Hit frequency: there is no information from the Endorphina provider.

Notice that you will not win very often because of high volatility, but prizes can be large. The house edge is average here. Take into account these parameters.

Book of Oil Interface

To start the game you need:

  1. Come into play.
  2. Choose the bet you want.
  3. Make a spin or activate an auto-play.
  4. Wait for the end of the round and get the prize in case of winning.

The interface of the slot is simple. The bet selection, spins, main menu, and auto-play buttons are at the bottom.

You don’t need to download the game.

Mobile Compatibility

The Book of Oil slot machine from the Endorphina provider can be played on smartphones or tablets with modern browsers and a good network. The rules are the same as in the board version.

The game works in the device’s browser, so you don’t need to download it.

Should You Play Book of Oil Slot for Real Money in India?

In general, the slot machine is good. There are pros and cons.


  • Quality graphics and sound effects;
  • Bonus game;
  • High volatility;
  • Purchase bonus;
  • Simple rules;
  • Wide betting range.


Frequently asked Questions

💰How much can you win in the Book of Oil slot?

The maximum win is 5000 bets.

🎰 How many lines are there in the game?

There are 10 lines.

💎What is the max bet?

The maximum bet is 50 dollars in the Book of Oil.

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Main info
Type of game Video slots
Manufacturer Endorphina
Theme Books
Min bet 0.01 USD
Max bet 50 USD
RTP 95.05%
Max payout 5000 : 1
Is free test available Yes
Mobile version Yes
Issue date September 17, 2021
Progressive jackpot No
Reels number 5
Lines number 10
Wilds Yes
Scatter Yes
Gamble Feature Yes
Volatility High
3D slot No
Respins No
Freespins Yes
Progressive multipliers No
Bet line 0.01 - 5
Bonus games Free Spins, Buy Feature