Astroneer is described as 'Explore and reshape distant worlds! Astroneer is set during a 25th century gold rush where players must explore the frontiers of outer space, risking their lives in harsh environments for the chance of striking it rich'. There are six games similar to Astroneer for a variety of platforms, including Windows, Steam, Linux, Mac and GOG.com. The best alternative is No Man's Sky. Other Astroneer like games are Starbound (Paid), Signs of Life (Paid), Planet Centauri (Paid) and Planet Explorers (Paid).
Starbound is an indie game being produced by the UK-based independent game studio Chucklefish Ltd. Starbound takes place in a two-dimensional, procedurally generated universe which the player will explore in order to obtain new weapons, armor, and miscellaneous items.
Embark on your greatest adventure to Planet Centauri! Discover new biomes, explore hidden dungeons, capture and tame monsters, build and protect a NPC community, craft your own weapons and create your own magic spells!
Planet Explorers is an open world, sandbox RPG set on a distant planet. The year is 2287, and your colony ship has crash landed on the planet Maria. Explore, build and survive the harsh but beautiful new planet.