Splinter Cell

Invisibility:
When Playing press Back, Back, Start, Start A, A, B, B, X and Y. This will make so that you will not be seen while playing.

These are the codes for each numeric lock you'll find in the game:

Mission 1
First lock  - 091772
Second lock - 5929

Mission 4                      Mission 8
First lock  - 7687             First lock  - 1436
Second lock - 110598           Second lock - 9753
Third lock  - 2019             Third lock  - 1456
Fourth lock - 110700           Fourth lock - 1834
Fifth lock  - 0614             Fifth lock  - 7921

Mission 5                      Mission 9
First lock  - 97531            First lock  - 2126
Second lock - 33575            Second lock - 70021
Third lock  - 1250             Third lock  - 66768

 