FAS is a turn-based sandbox strategy fighting game, developed by Vona Soft, available on Windows platform. The game is inspired by YOMI Hustle, TORIBASH and SPORE. FAS allows the players to build their own characters, fight against AI or challenge friends online. The game is perfect for users who enjoy building, simulating, and casual fighting games with friends.

The game provides a wealth of tools to play how players want, and express themselves through the art of combat. FAS includes an in-game editor for creating characters, abilities, and particles. The multiplayer mode allows players to pulverize their friends online. The game also enables players to create fight scenes, save the replay, and play a cinematic battle video including their camera moves, which can be shared with other users through workshops. The characters, abilities, particles, and replays are integrated into the Steam workshop, making it easier for players to share their creations.