Adeptus Titanicus is a tabletop miniature wargame produced by Games Workshop, set in the Warhammer 40,000 universe. The game focuses on the titanic struggles between giant humanoid robots known as Titans, piloted by skilled warriors known as Princeps. The Loyalist Legios are one of the factions in the game, comprised of Titan Legions that remained loyal to the Emperor of Mankind during the Horus Heresy.