Tom Clancy's Splinter Cell Double Agent (GameCube)
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Alternate endings
Successfully complete the following tasks to get the corresponding ending:
Ending A - Good: Have your NSA trust above 33% and save at least two of the three targets (Crouse Ship, Hisham, Lambert).
Ending B - Normal: Have your NSA trust below 33% and save all three targets (Crouse Ship, Hisham, Lambert). Alternately, have your NSA trust above 33% and destroy two of the three targets.
Ending C - Bad: Destroy all three targets (Crouse Ship, Hisham, Lambert). Alternately, have your NSA trust below 33% and destroy two of the three targets.
Bomb defusing in Okhotsk, Russia Part 2
In Mission 6: Okhotsk, Russia Part 2, after talking with the Captain he will reveal that he has rigged the bombs to go off. Emile Dufraisne will tell you that they are in the machine room. Look for a crawl space near you. Go through it and down the ladder. Once you are in the machine room, disrupt the light near to the ladder with your OPC and the camera that you will find nearby. Then, go to the first bomb (you will recognize them by a green light) on the same level as you are on. You can defuse them by cutting the wires in a particular order. The wire you have selected for cutting will be highlighted in green. You will know which wire to cut by a short vibration from the controller. When you select the wire the Captain will say that you now have three minutes. The rest of the bombs are located in the machine towers (two of them) and one is upstairs roughly opposite of the first bomb. Note: There are three guards in the room. It is recommended to quick save the game before attempting to defuse your first bomb so that you have an idea of how it is done.
Bonus equipment
Successfully complete the indicated special objectives in Solo mode to unlock the corresponding item:
Electric Lock Pick: Primary objectives in JBA HQ 1
EMP Device - Enhanced: Primary objectives in JBA HQ 1
EMP Grenade: Secondary objectives in the Iceland Assignment
EMP Grenade - Attachment: Secondary objectives in the Cozumel Assignment
Explosive Sticky Camera-Attachment: Secondary objectives in the Iceland Assignment
Frag Grenade - Attachment: Primary objectives in JBA HQ 3
Gas Grenade: Primary objectives in JBA HQ 1
Gas Grenade - Attachment: Secondary objectives in the Cozumel Assignment
Hacking Device - Force Hack Upgrade: Primary objectives in JBA HQ 2
Hacking Device - Software Upgrade: Secondary objectives in the Shanghai Assignment
Night Vision - Enhanced: Primary objectives in JBA HQ 3
Shotgun Shell - Attachment: Secondary objectives in the Okhotsk Assignment
Smoke Grenade - Attachment: Secondary objectives in the Shanghai Assignment
Sonic Grenade - Attachment: Primary objectives in JBA HQ 2
Ultrasonic Emitter: Secondary objectives in the Ellsworth Assignment
Wall Mine - Flash: Secondary objectives in the Okhotsk Assignment
Wall Mine - Stun: Secondary objectives in the Ellsworth Assignment
Defeating Emile
Make sure you have a flash and frag grenade and full life. There is a lifebox near the door outside of where Emile is on the right wall. Go outside to Emile and an intermission sequence will begin. Once it has finished, on your left may be a laser beam. Wait for it to go off. When the laser goes off and Emile is done shooting (he will begin again), roll to the next chair or bench. Wait until he is finished shooting again. Continue doing this and go up for the fence/rail. Jump onto it. Go down from it and then take Emile out. Walk away for one or two seconds, and make sure you can drop the flash grenade near Emile. Shortly after it is dropped, put your frag grenade in the same place. Emile will not see you drop it and will be defeated. Then, read the computer and defuse the bomb. Note: Take your time.
Disposing Hisham's body
If you are going to kill Hisham, wait until he is down in the parking space. Kill him and pick up his body. Walk to the back of the red car and put him in the back. Press Place Charge and stand back. Detonate it and the "Opportunity Objective complete - Dispose of Hisham's body" will appear.
Elite mode
Successfully complete Solo mode on any difficulty setting to unlock the Elite difficulty setting.
Getting back to cell in Ellsworth Penitentiary
When you sneak out of your cell by crawling under the bed and getting the walkie-talkie, you must get back within the time limit. When you are up on the grating, instead of taking the pipe down drop off. You will knock out a guard. Then, go back to your cell and act normal. The grating is the only way down.
Infinite bullets
During the game, press R+L, Y, X, A, Y, X, A. If entered corectly their will be a sound.
Unlockable Endings
Depending on what bombs you defused in Mission 8 (JBA Headquarters Part 2), you will get a different ending to the game.
Effect - Code
JBA Ending - Do not defuse either Bomb.
Neutral Ending - Defuse only one of the Bombs.
NSA Ending - Defuse both LA and Nashville Bombs.