Tom Clancy's Splinter Cell Chaos Theory

In order to do a better ledge grab, press A, then when the spy puts his legs up on the thing he is hanging from, press Forward while tapping A.

During the mission you will have to overhear some data being said on a radio transmission by a guard. If you fail to do
this, you can just find the data in a filing cabinet next to the radio.

Successfully complete the Lighthouse mission in solo mode.

On the ground floor after you have knocked out two guards (the one who is repairing the elevator and the other one that is talking to him), put one or more of the guards in the elevator with Sam. Sam must turn on his night vision and press the button to go to the top floor. Watch the guard's body bounce around like popcorn.

If you move around with your gun drawn, the noise meter will not move. This is very useful when sneaking up on someone quickly.

In the Solo / Co-Op Menu: Press and hold the "Left' and "Right" Triggers.