Splinter Cell Double Agent
Extra item/equipment:
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Complete the following objectives to unlock the extra stuff.
Unlockable - How to Unlock:
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Electric Lock Pick - Primary objectives in JBA HQ 1.
EMP Device - enhanced - Primary objectives in JBA HQ 1.
EMP Grenade - Secondary objectives in Iceland Assignment.
EMP Grenade - attachment - Secondary objectives in 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 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 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 Ellsworth Assignment.
Wall Mine - Flash - Secondary objectives in Okhotsk Assignment.
Wall Mine - Stun - Secondary objectives in the Ellsworth Assignment.
Elite mode:
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Clear the Solo mode once.