Portal

5 of 15 ach. unlocked (34%)
Markimus_123's achievements in Portal
Do whatever it takes to survive.
Apr 24, 11
Knock down a turret with another turret.
Apr 24, 11
Complete Portal.
Apr 24, 11
Acquire the fully powered Aperture Science Handheld Portal Device.
Apr 20, 11
Make the correct party escort submission position decision.
Apr 24, 11
Earn gold medals on all Portal challenges.
Locked
Earn bronze medals on all Portal challenges.
Locked
Detach security cameras from the walls.
Locked
Beat two Portal advanced maps.
Locked
Beat four Portal advanced maps.
Locked
Jump 300 feet.
Locked
Earn silver medals on all Portal challenges.
Locked
Fall 30,000 feet.
Locked
..?
Locked
Beat all six Portal advanced maps.
Locked
(0.1952/d/web3)