Koi Kingdom by BF GAMES is a 5-reel, 3-row video slot with 20 fixed paylines and medium volatility. The game uses a cascade mechanic, so winning symbols disappear and new symbols drop into place, creating the possibility of more than one win from a single spin. The published RTP varies by configuration, and the maximum multiplier is listed as 9000.
The slot includes a wild lotus symbol, which substitutes for other symbols on the middle reels, and a bonus symbol that can trigger up to 12 free spins. Free spins start with a x3 multiplier, while cascades can increase the multiplier through x1, x2, x3 and x5 levels in both the base game and the bonus round. A gamble game is also available after wins, allowing a choice between red and black.
This demo version can be used to play for free and practice before playing for real money. The layout is built around koi fish, gold details, and East Asian garden imagery, with stylised card symbols, bonus icons, and a paytable designed for quick reference near the game launcher.