Players assume the role of Mio, who awakens aboard a vast technological ark drifting through the cosmos. The game involves exploration and encounters with various enemies and powerful guardians that hold pieces of the spaceship's past. Gameplay mechanics include platforming and combat, with players acquiring abilities like a grappling hook and a glider. Mio is currently in its demo phase, generating excitement among players, with positive feedback on the art direction, boss fights, and soundtrack. Some minor bugs have been reported, but most players are enjoying the demo and expressing enthusiasm on the game's Discord server.