Developer 
Features Only Coins is a video slot by Gamzix with a 3x3 reel layout, medium volatility, and an RTP range from 92.03% to 96.03%. The game uses no paylines or ways to win in the usual sense; outcomes are tied to the bonus game, where symbols such as Sticky Mystery Coin and Jackpot Mystery play a central role.
Key features include coin collection, sticky symbols, walking multipliers, and the Heap of Coins trigger, which can bring sudden bonus action to the reels. The design also includes four jackpots, with the maximum win stated at 2,000x. This setup is intended for players who want to review the mechanics in the demo version before deciding to play for real money.
The free demo allows users to practice before playing for real money and observe how the bonus rounds and special coin-based features work in regular play. Only Coins focuses on compact reel action, with a structure built around bonus events rather than standard line wins.
