Book of Amaterasu is an online video slot by Mascot.
The slot features 10 paylines and a bonus game purchase option, while the maximum payout per spin can exceed x5,000 of the bet.
Return to Player (RTP): 95%
Features and main game mode
1. Winning combinations
High-value symbols pay from 2 of a kind, and low-value symbols pay from 3.
2. Wild symbol
Wild substitutes for any symbols and functions as a Scatter, triggering the bonus game.
Bonus game mode
- Buy Bonus
The player can buy the bonus game at any point.
The purchase price is x68 of the bet.
For example: a $1 bonus game costs $68.
2. Regular trigger
The bonus game starts when 3, 4, or 5 Wild symbols appear in the main game mode.
3. Number of free spins
The number of free spins depends on the number of Wild symbols:
- 3 Wild symbols – 10 free spins
- 4 Wild symbols – 15 free spins
- 5 Wild symbols – 25 free spins
4. Expanding symbols
When the bonus game starts, a random symbol is selected as an expanding one.
Payouts for such symbols are awarded regardless of whether they appear on consecutive reels or not.
5. Extra free spins
When 3 or more Wild symbols appear, the player receives additional free spins.