SpaceSimCentral

Colonisation: Moonbase
Colonisation Moonbase is a construction and management sim where you take humanity to the next frontier, your task is to build and support a colony on the lunar surface - it has been called by many the spiritual successor to the classic game 'outpost' by sierra on-line.
Homepage: Colonisation: Moonbase Homepage
Status: Beta Phase

Cyberpunk 2077
Cyberpunk 2077 is a open world scifi action rpg that is based off of the pen and paper game of Cyberpunk. The game is being developed by CDPR one of the best devs around. Can't wait to play this one.
Website: https://www.cyberpunk.net/us/en/
Purchase: https://store.steampowered.com/app/1091500/Cyberpunk_2077/

Earth Space Colonies
Earth Space Colonies is a strategy game where you build a space colonies around the Solar system.
Homepage: ESC Homepage
Purchase from: Steam

Mass Effect Series
The Mass Effect games are in the small minority games that is space action/adventure. BioWare does a nice job on the games of the series (Mass Effect 1,2 and 3). Discuss these games and or brag or ask for help.

Nexus: The Jupiter Incident
At the dawn of the 22nd century, the conquest of space and the colonization of the solar system is being monopolized by several huge and ambitious mega-corporations. The is a discovery that will unbalance the corporations and which starts the Jupiter Incident.
Purchase from: Amazon, Steam

The Precursors
The Precursors takes place in space and on the surface of various planets. The genre of the game is freeplay RPG with FPS and space sim combat elements.

Starfall Tactics
Starfall Tactics is a free to play, real-time wargame powered by Unreal Engine 4. In a decaying, war-torn galaxy dominated by three rival factions, you can assemble your own spaceship flotilla and lead it into battle.
Homepage: Starfall Tactics Homepage
Status: Alpha Phase