Developer and publisher Octopus Panic has released a new Steam demo for GRAVHOUNDS, its upcoming co-op action-builder for one to four players. Available through October 18, the demo features seven planets across two solar systems, four playable Gravhounds, and a new Mod Deck Builder shaped by feedback from the game’s open playtest. Players can choose between Selene, Zane, Dozer, and Finn, tackling dangerous alien environments alone or teaming up with up to three other players. The demo also includes fixes and improvements to planets, resources, objectives, animations, audio, save systems, and multiplayer stability. Build, Fight, and Survive Together One of…