Terraforming Mars
Twin Sails Interactive
TerraGenesis: Landfall
Tilting Point
Save the Earth Planet ECO inc.
GameFirst
Solar Smash
Paradyme Games
My Little Universe
SayGames Ltd
Stellarium - Mappa Stellare
Stellarium Labs
TerraGenesis-Costruire pianeti
Cell to Singularity
ComputerLunch
Star Trek™ Fleet Command
Scopely
HK Nova Empire
GameBear Tech