Book of Oil

RTP 96%, volatility Medium, and a 5-3 layout define Book of Oil. The theme centers on oil extraction and related imagery, which informs the visual style, symbol set, pacing of play, and accompanying audio cues.

From Endorphina, the game includes Buy Feature, an Additional Free Spins option, Wilds, Scatter symbols, and a Risk/Gamble (Double) game, with these components providing modular paths to bonuses. It uses a 10-payline structure and centers on Free Spins triggered by Scatter symbols, with the Buy Feature enabling direct access to the bonus rounds; that option can influence decision timing during a spin sequence. The thematic framing centers on oil extraction, with imagery such as barrels and monetary symbolism, while the UI emphasizes clarity, a straightforward bet grid, legible icons, and concise feedback to support rapid choices. In practice, the combination of features can affect session rhythm, balancing the ambition of bonus rounds with the pace of regular spins and introducing optional risk elements.

In practical terms, bets range from USD 0.01 to USD 50, and the top win is x32.