The game was originally developed by Snowball, who abandoned it in a very unfinished state, forcing Paradox to do some last-minute fixes before release this makes the game exceedingly buggy and all but unplayable in its post-release state.
It's set chronologically before its sister series, Europa Universalis, and uses a variant of the Europa Universalis II engine. Crusader Kings is a historical grand Turn-Based Strategy / Real-Time Strategy 4X game produced and published by Paradox Interactive.
