Blast Ball is a multiplayer mode and in-universe sport game that appear in Metroid Prime: Federation Force. Blast Ball can be played alone or against local or online players. Players who do not possess a copy of Federation Force will be able to play this mode through Nintendo 3DS Download Play. The game mode has been released as a standalone title, Metroid Prime: Blast Ball, in the Nintendo eShop as a free downloadable demo in both the European and American storefronts.