Haex is the first title from developer Dead Astronauts, featuring a mysterious cube that alters the game environment and is a sentient entity providing skills like double-jumping. The game is a cooperative survival shooter for 1 to 4 players, focusing on managing temperature and hunger in an open world. Players will find "alien seeds" that unlock new regions and share gadgets and crafting recipes. Haex emphasizes narrative depth with procedural generation and unique storytelling, though it lacks a specific release date and showcases limited gameplay footage.