This code gives a crossbow at the beginning of the game (only for PS3 and Xbox 360) Cross-triangle-circle-cross-square-triangle-cross-circle-square-cross-cross-circle-square-triangle and you have a crossbow if it didn’t work out the first time then repeat and repeat
Assassin’s Creed: Brotherhod: Code (Crossbow) [PS3 + XBOX 360] Free Download
Good luck!