is a massive community-driven expansion for that significantly overhauls the game for multiplayer and single-player balance. One of its biggest draws is a vastly expanded roster, growing the original 43 civilizations to over 70 (reaching 77 or even 100+ in recent iterations). The Lekmod Civilization Roster
Byzantium — (Leader: Basil II / Constantine variants) civ 5 lekmod civ list
Russia — (Leader: Peter)