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.
The unofficial community often hosts various events and multiplayer games. Members of /r/ParadoxPlaza (subreddit on reddit) 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.
- /r/Paradoxplaza, one of the largest third-party communities around, located on Reddit.
- /r/Imperator, another subreddit dedicated to Imperator, which also features content such as AARs, bug reports and strategy guides.