Main menu cheats:
Level select: hold L trigger and press down, up, left, left, B, right, down, X.
All weapons: hold L trigger and press X, B, down, left, B, B, Y.
Daywalker difficulty: Hold L trigger and perss left, B, up, down, X, B, A.
Pause menu cheats:
Infinite health: hold L trigger and press Y, X, Y, X, Y, B, Y, B.
Infinite rage: hold L trigger and press left, down, left, down, right, up, right, up.
Infinite ammo: hold L trigger and press left, B, right, X, up, Y, down, A.
Invincible NPCs on NPC levels: hold L trigger and press X, B, Y, A, X, B, Y, A.
Blade 2
