This mod features a ton of different races and factions. Then, download and run the 2 part installers and then run the 3.2 patcher. To install Third Age - Total War, make sure you own Medieval II: Total War - Kingdoms Expansion. Ironic, then, that one of the best games in the setting is a total conversion mod Third Age - Total War. Lord of the Rings has had a relative shortage of quality games considering how influential the franchise is.
In no other type of RTS can you show how truly unique the army of a faction is unless you're in control of it yourself. As Total War: Warhammer proved, the gameplay of the series is incredibly well suited for fantasy settings.