The game's userbase maintains a number of communities across the internet, created by Paradox Interactive and by fans themselves.
Paradox Interactive has its own official forum. The forum is divided into subforums based on games.
- Paradox Interactive's Surviving Mars forum.
- Twitch channel where developers discuss upcoming updates and content.
- Youtube channel where developers discuss upcoming updates, content and community members can contribute with spotlights, tutorials or playthroughs.
- Surviving Mars Twitter relay official news about the game.
The unofficial community often hosts various events and multiplayer games. Members of the subbredit /r/Paradoxplaza often post content like AARs, bug reports, and strategy guides as a form of entertainment. Paradox Interactive staff also frequent the site on a regular basis.
- Paradox IRC channel at #paradox on irc.rizon.net for discussion of all Paradox games
- /r/ParadoxPlaza, one of the largest third-party communities around, located on Reddit.
- /r/SurvivingMars, another subreddit dedicated to Surviving Mars, which also features content such as AARs, bug reports and strategy guides.