Tom Clancy's Splinter Cell: Double Agent PlayStation 3 Cheats

Alternate endings
In the last mission, When the bomb is disarmed, a number of different endings can play out. To unlock each ending take the following steps below.
Note: The targets listed below are the Crouse Ship, Hisham, and Lambert.
Ending A: Good: NSA trust above 33%, and you managed to save at least two of the three targets.
Ending B: Normal: NSA trust below 33%, but you managed to save the three targets. Or destroy two of the three targets, and NSA trust above 33%.
Ending C: Bad: Destroy/Kill all three targets. Or Destroy/Kill two of the targets, and NSA trust below 33%.

Elite Difficulty
The Elite difficulty is unlocked after beating the main storyline once.

Extended Time in Kinshasa Level
At the end of this level, when you are supposed to use a sniper rifle to shoot Hamza Hishima, do not kill him. Instead, wait until the crane you are on falls down. Emile will yell at you for missing Hamza. Your character will then turn off his radio and the level will be extended by several minutes.

Bonus equipment
Complete the following special objectives in single player mode to unlock the corresponding item.
1. Electric Lock Pick: Primary objectives in JBA HQ 1.
2. EMP Device - Enhanced: Primary objectives in JBA HQ 1.
3. EMP Grenade: Secondary objectives in the Iceland Assignment.
4. EMP Grenade - Attachment: Secondary objectives in the Cozumel Assignment.
5. Explosive Sticky Camera-Attachment: Secondary objectives in the Iceland Assignment.
6. Frag Grenade - Attachment: Primary objectives in JBA HQ 3.
7. Gas Grenade: Primary objectives in JBA HQ 1.
8. Gas Grenade - Attachment: Secondary objectives in the Cozumel Assignment.
9. Hacking Device - Force Hack Upgrade: Primary objectives in JBA HQ 2.
10. Hacking Device - Software Upgrade: Secondary objectives in the Shanghai Assignment.
11. Night Vision - Enhanced: Primary objectives in JBA HQ 3.
12. Shotgun Shell - Attachment: Secondary objectives in the Okhotsk Assignment.
13. Smoke Grenade - Attachment: Secondary objectives in the Shanghai Assignment.
14. Sonic Grenade - Attachment: Primary objectives in JBA HQ 2.
15. Ultrasonic emitter: Secondary objectives in the Ellsworth Assignment.
16. Wall Mine - Flash: Secondary objectives in the Okhotsk Assignment.
17. Wall Mine-stun: Secondary objectives in the Ellsworth Assignment.