Purple Heart: For perseverance despite grievous injuries.



Big Air - EXTREME!: Find a big jump and catch some air.

Unverified. On the chapter selection screen hold the BACK button and input D-PAD RIGHT, RIGHT, LEFT, LEFT, BLUE, BLUE. No details if this saves to your profile or if it works at all.

While playing as a sniper in multiplayer mode, you can steady yourself by holding your breath. To make your character do this, look into your scope and then hold down the L3 button (which is done by pressing down the left analog stick). This will only last a few seconds, naturally, but it will help you shoot more accurately.