Starbound is a sandbox 2D side-scrolling role-playing game developed by Chucklefish Games for  Mac OS, Microsoft Windows, and Linux. It will feature near-infinite possibilities, including randomly generated worlds and sandbox building. The game will feature multiplayer and allow the sharing of randomly generated worlds by coordinates.

Terraria is an action-adventure / role-playing indie game, developed by independent game studio Re-Logic and released on PC via Steam, Xbox Live and the Playstation Network.