 The game is based on the fictional extreme sport Blitz , a futuristic full @-@ contact hybrid of hockey and basketball played with a flying disc . Two teams of four players attempt to move the disc through their opponent 's goal , and teams can either win on points or by knocking out their opposing team . There are 150 individual characters across 18 thematic teams . The single @-@ player campaign 's plot is set in the 23rd century , when Blitz is a popular , televised sport and the teams battle to scale the ranks and win the championship . Players earn credits from their goals scored , opponent knockouts , and crowd @-@ pleasing to be spent on player upgrades , bets , and new teammates . The game also supports split @-@ screen and System Link multiplayer for up to eight players across up to eight Xbox consoles . 
