Tom Clancy's Splinter Cell Chaos Theory

Enter COOPA22COOl as your profile name.

In the solo main menu screen enter creat a new profile name as COOPA22COOL, then use the profile and select mission not progress.

This well unlock all the missions.

Beat story mode and Elite mode is unlocked. In Elite mode you have no ammo for your weapon and only your knife to kill.

North Korean UAVs are tough to take down, but they can be avoided. However, if you went with a kit with a sniper attachment, you can take them out with one well placed shot anywhere on the body.