Developer 
Reels 
Lines 
Features Book Of Champions by Spinomenal is a 5-reel, 10-payline slot with a football theme and a high-volatility structure. The game includes expanding symbols, scattered wilds, free spins, and a buy feature, with a maximum win of up to x5,000 total bet.
The slot is listed with multiple RTP settings, ranging from 88.94% to 96.14%, which may vary by version. Players can use the demo version to play for free and practice before playing for real money, while getting familiar with how the reels, symbols, and bonus features work.
Book Of Champions is designed for desktop and mobile play, and supports several languages, including English, Russian, German, Spanish, and French. Its mechanics centre on standard slot play with feature-driven rounds, making it straightforward to review in free demo mode before choosing a stake.
