 Backbreaker is a simulation @-@ style American football game , which allows the player to take control of a team of football players and compete against the CPU or another player in a variety of game modes . The game features 56 built @-@ in teams plus three unlockable teams , and also allows the player to create 32 additional ones for a total of 91 possible teams . It lacks any licensing from the National Football League , due to the fact that they were not able to negotiate a licensing agreement with the NFL or NFLPA Because of this , the developers emphasized the game 's customization tools . 
