Forge a new galaxy in ProtoGalaxy: Earth is under siege, and your fleet is humanity's last hope. Team up with up to 4 players to brave fierce battles, solve challenging puzzles, and explore the far reaches of the galaxy. Create new galaxies using the built-in level editor, and download other people's galaxies for endless gameplay. Team up with up to 4 players and explore the galaxy. Enjoy challenging action, smart puzzles, and deep adventure. Customize your ship with a huge selection of parts. Use physics to solve puzzles or defeat your enemies. Create your own galaxy using the built in editor.