| Achievement | How to unlock
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| - Kill one of your team members with an opportunity.
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| - Complete any mission on Hard difficulty.
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| - Stun five or more enemies with one Stun Grenade.
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| - Kill all enemies from a single area.
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| - Heal your comrades 10 times.
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| - Kill four or more enemies with a single burst of Submachine Gun fire.
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| - Finish Missions 1 to 7 without causing an alarm.
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| - Eliminate all reinforcements called in during an alarm.
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| - Use the Steal skill 25 times.
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| - Hit a target from a great distance with the Sniper Rifle.
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| - Use the Chitchat skill 35 times.
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| - Finish Mission 4 without causing an alarm.
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| - Complete a mission without killing anyone.
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| - Lure enemies with a Whistle while using Camo 15 times.
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| - Hide 50 bodies in bushes.
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| - Complete any mission without being spotted.
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| - Finish Mission 7 without causing an alarm.
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| - Finish Mission 2 without causing an alarm.
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| - Throw 40 bodies from precipices.
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- Slipped Right Outta There
| - Finish Mission 6 without causing an alarm.
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| - Experience the loss of a comrade.
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| - Help SG-1 win the Battle of Antarctica.
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| - Talk with a Jaffa warrior, an armored Jaffa, and a Jaffa officer while disguised as S'virda.
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| - Finish Mission 3 without causing an alarm.
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| - Kill three or more enemies with one hijacked drone.
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| - Get caught in a time loop.
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| - Finish Mission 1 without causing an alarm.
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| - Discover all opportunities in Missions 1 to 7.
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| - Finish Mission 5 without causing an alarm.
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