Book of Sirens
- Paylines
- 10
- Volatility
- High
- Return to Player (RTP)
- 96.14%
- Buy Bonus Feature
- Yes
- Play for Free
- Yes
Book Of Sirens leads with expanding symbols in the free spins feature, while scattered wilds and a buy feature add extra ways to reach its main bonus. Set across 5 reels and 10 paylines, the gameplay follows the familiar Book format as regular spins build toward free spins, where a chosen expanding symbol can turn routine hits into heavier line wins. Its appeal lies in keeping the structure straightforward while giving the bonus round enough punch to support a top payout of x5,000.