12Achievements
Go for the Gold
Win a gold medal on a challenge map.
Rare
(6.8%)
Out of the Blue
Once you have control of both portals, only enter the orange portal.
Rare
(2.7%)
Rat's Tale
Find all the Rat Man dens.
Rare
(6.2%)
Is Anyone There?
Complete the game without ever taking a bullet.
Rare
(3.6%)
Saw That One Coming
Cause a rocket sentry to destroy its own rocket when the rocket has been redirected back towards it.
Common
(16.8%)
The Camera Adds 10 Pounds
Knock a turret over with a security camera.
Common
(13.3%)
Like a Rat
Trap yourself in a test chamber so that GLaDOS has to help you continue.
Rare
(9.0%)
A Feeling Like Floating
Dissolve a turret.
Common
(20.3%)
Tests Like Chicken
Find the chicken's test results.
Common
(12.7%)
Cupcake
Beat 5 advanced chambers
Common
(15.9%)
Fruitcake
Beat 10 advanced chambers
Common
(11.6%)
Vanilla Crazy Cake
Beat all advanced chambers
Rare
(4.6%)