Developer 
Reels 12 Coins™ Grand Diamond Edition is a high-volatility slots game from Wazdan with 12 reels, an RTP of 96.14%, and a maximum win of 5000x the bet. The game uses the Coins™ series format and a treasure theme, with diamond-inspired visuals and mechanics built around bonus-driven play. Its feature set includes Cash Out, Cash Infinity™, Chance Level™, Volatility Levels™, a Buy Feature, Ultra Fast Mode, and a Gamble Feature.
The main bonus round is Hold the Jackpot™, where players can reach a Grand Jackpot of up to 5000x. The Cash Out mechanic adds more opportunities to secure rewards during the base game, while Volatility Levels™ lets the game adjust to different risk settings. With 12 reels and no paylines, the slot focuses on feature-triggered wins rather than traditional line-based play.
A demo version is available to play for free, which allows players to practice before playing for real money. This free demo version is useful for reviewing the bonus game structure, special symbols, and pace of play before moving to the live version.
