Champs: Battleground trailer. br Shop CGR t-shirts & mugs! br br CGR Trailers, from Classic Game Room®, presents the announcement trailer for CHAMPS: BATTLEGROUND on mobiletablet devices. Champs: Battleground is from Quark Games. This game is a “multiplayer online squad strategy” game where players build their teams and take on the other squads in Champs: Battleground.