I actually use a sub-mod – the Historical Units Region Building Mod which is still in beta and still a little unstable: but I like for it’s increased turn limit and it’s extremely complicated building (most buildings in mods – and indeed the vanilla game – are single lines which sequentially upgrade, but HURB’s are complicated lattices with pre-requisites for almost every building). It’s not really a realism-focussed mod, more polish and longevity. This is the go-to mod if you want a more detailed campaign in the same setting as the vanilla game.
So let’s run down a few of my favourite mods. Medieval 2 has one of the best modding communities of any game I’ve encountered, and it has made the game that much better and increased it’s longevity a hundredfold. Mods by the armful, mods coming out of your ears! Now why does this game with it’s decent battles and mediocre strategic mode excite me so much? Infact, when I lost the disks I just bought it again. (So,) I’ve been playing Medieval 2: Total War pretty much since it came out in late 2006, and it’s never been uninstalled from my machine.