Machine Zone has been printing money with its Game of War: Fire Age mobile strategy game. And it has been spending a lot of that money on ads with supermodel Kate Upton, decked out as the goddess Athena from the game.
But TMZ has reported that Machine Zone is preparing to dump Upton for pop singer Mariah Carey. That may seem like an odd choice, but Upton never really had much to do with the game, either. But using a big name to find new players is key in the $30 billion mobile gaming market, where keeping users — and getting them to spend money — is a constant challenge.

Unlock premium content and VIP community perks with GB M A X!
Join now to enjoy our free and premium membership perks.