Book of Oil - Endorphina

Book of Oil is an exciting online slot from provider Endorphina on the topic of the oil industry. The game offers 5 reels, 3 rows and 10 fixed paylines, which provides many opportunities to form winning combinations.

Graphics and design:

The slot is decorated in bright and saturated colors reflecting the atmosphere of the oil industry. The drums are set against the backdrop of oil rigs and oil barrels, and the symbols include images of oil workers, drilling rigs, barrels and bundles of dollars.

Game symbols and functions:

- Wild symbol: In the form of a book image, replaces all characters except the scatter, and can expand to the entire drum.

- Scatter: In the form of a book image, activates the bonus game when appearing on drums 3 or more.

- Bonus game "Free Spins": When 3 or more scatters fall out, 10 free spins are activated. During frispins, a random expanding symbol is selected that can occupy the entire drum when dropped.

- Expanding symbols: During free spins, the selected symbol expands and occupies the entire drum, increasing the chances of winning combinations.

Bonus features:

The slot offers a "Risk Game" feature, allowing players to double their last winnings by guessing a card with a higher value than the dealer.

Compatibility:

The game is optimized for gaming on a variety of devices, including desktops, tablets and mobile phones, allowing you to enjoy gameplay anytime, anywhere.

Book of Oil from Endorphina is the perfect choice for lovers of themed slots with bright bonus features, offering fun gameplay and potentially high wins.