Book Of Oil

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1 Reels 5
2. Paylines 10
3. Progressive No
4. Maximum coins 100
5. Jackpot 50000
6. Maximum jackpot in coins 50000
7. Multiplier No
8. Scatter symbol Yes
9. Free Spins Yes
10. Betting range from $0.01 up to $100
11. Coin Bet Range from $0.01 up to $1
12. Coins per line 10
13. Bonus Game No
14. Wild symbol Yes
15. Payout percent 96.05

Roll up your sleeves and let’s try to find the black gold! Book of Oil is an oil industry-themed online video slot designed by Endorphina casino software played on 5 reels, 3 rows, with 10 active paylines. 

In terms of available bonus features, all punters who decide to give it a spin can count on Wilds, scatters, Free Spins, Expanding Symbols, a Gamble feature, and a Pop Up Buy bonus feature. 

With stunning visuals and an above-average RTP, it seems that this online one-armed bandit has a lot of potentials to become one of the most popular online titles in the genre. 

Let’s check it out, shall we? 

Theme and Symbols

Our pipe-framed grid sits against a beautiful industrial landscape consisting of a metropolis, cranes, valves, and pipes. 10s, Js, Qs, Ks and As will pay up to 15x the bet for 5 of a kind and they represent the lowest-paying icons here. 

Bills, oil barrels, cranes and tycoons are the premium icons worth up to 500x the bet for a combination of 5. As always, the book is the most important symbol in the game. It acts both as a Wild and a scatter symbol. 

Betting Options and Other Functions

As we already underlined in the introduction, Book of Oil comes with a standard 5x3 grid and 10 active paylines. To form a winning combo, you’ll need to match at least 3 identical icons across a line. 

The cheapest spin costs 0.01 coins while the most expensive one can go all the way up to 100 coins. 

As far as odds are concerned, punters will benefit from an RTP of 96.04% which is a shade above the current standard. 

Special Features

The book symbol will step in for all symbols from the paytable and increase your chances of scoring. Apart from being the Wild symbol, the book icon also acts as a scatter. Land 3 or more anywhere on the grid and you’ll activate the Free Spins feature with 10 freebies. 

As always, before the feature starts, the game will randomly choose a symbol that’ll become the expanding one for the duration of the round itself. 

Also, you’ll be able to double up your winnings by beating the dealer’s card in the Gamble Round. 

In the end, we should mention the Pop Up Buy feature. It’ll allow you to instantly trigger the Bonus round for a certain amount of credits. 

Verdict

We can agree that Book of Oil has brought a long-awaited refreshment in the ‘Book of…’ genre. Its unique theme will delight all fans of these online one-armed bandits while traditional bonus features and an above-average RTP will keep them both entertained and safe. 

by Milovan Bogdanovic

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