Stargate: Timekeepers achievements

Finish Mission 3 without causing an alarm.

Stun 5 or more enemies with one Stun Grenade.

Finish Mission 7 without causing an alarm.

Finish Mission 6 without causing an alarm.

Complete any mission without being spotted.

Hit a target from a great distance with the Sniper Rifle.

Discover all opportunities in Missions 1 to 7.

Throw 40 bodies from precipices.

Lure enemies with a Whistle while using Camo 15 times.

Heal your comrades 10 times.

Finish Mission 2 without causing an alarm.

Use the Steal skill 25 times.