Astroneer is a sandbox sci-fi adventure game developed by indie game developer System Era Softworks. The game was released through early access in December 2016 before a full release on December 16, 2019. The player is tasked with colonizing planets, creating structures, and collecting resources. The character the player moves is called an Astroneer and the player can travel to planets to activate cores and complete the game. There are often rewards given to the player upon completion of core activation, most notably a suit and/or visor.