It's a game within a game now for those eagerly anticipating the release of Total War: Warhammer 2. While we're technically only aware of 3 playable races right now, any Warhammer fan worth their salt knows of the fourth. But it would see an ARG is the gate to that knowledge.
While the Skaven are often considered a myth by unsuspecting third-parties across the Warhammer Fantasy universe, every player knows of their problematic existence. And the same goes for Total War: Warhammer 2. We know they're there; we're just waiting for official confirmation.
Jump onto the Total War Facebook page right now, however, and you'll see two things 1. history buffs wanting more information about a Total War game that isn't all made up 2. The image of a desecrated town and a simple word puzzle.
Total War: Warhammer 2 Gameplay, Races, Campaign - Everything We Know
Following the link takes curious onlookers to a message reading ""When our rivals tremble, [missing] their kin. Those who punched in the right word into the empty slot unlocked a desktop background depicting a bridge in questionable condition with plenty of greenish gas up in their air - a staple of the Ratmen's presence.
Sure, it's speculation at best, but the last few frames of the original trailer showed a hungry rat with bright, glowing eyes. It's hardly the best kept secret in the industry at this point.
Jugding from the 7 locked slots remaining, PCGamesN suspect they'll be rolling out every week - conveniently leading to Gamescom; the last big show before Total War: Warhammer releases toward the end of September.