Like Dwarf Fortress, you're free to transfer your new creations over into Crusader Kings 2 and watch them take flight further still.
In turn, this lets you grow your own entirely fictitious societies and landmasses and watch them procedurally generate before your eyes. Last year, Adam rightly compared yemmlie's work to Dwarf Fortress in that instead of portraying the world as we know it against what the history books might tell us, CK2 Generator spawns an entirely new history of humankind from scratch. A wild card, not in the sense that the CK2 Generator mod is temperamental, but that it's intentionally unpredictable. You'll have access assuming you own the game, so remember to sign in. NB - Note that some mods can only be accessed via Paradox forum accounts. Given how involved CK 2 can be at times, I've tried my best to link videos where possible so as to properly showcase each mod's worth. Much like the digital empires depicted in-game, many of its mods have risen and fallen since my last visit, however the following list sends the best into battle.
Adam raised a glass to its humour and humanity last month in celebration of its half-decade anniversary, so I thought I'd delve into its modding community to mark the occasion too. Crusader Kings 2 is (somehow) now five years old.