There are 12 achievements for the Xbox Live Arcade release, worth a total of 200 
.
| Picture | Name | Description | |
|---|---|---|---|
 |
Go for the Gold | Win a gold medal on a challenge map | 15
|
 |
Out of the Blue | Once you have control of both portals, only enter the orange portal. | 25
|
 |
Rat's Tale | Find all the Rat Man Dens. | 15
|
 |
Is Anyone There? | Complete the game without ever taking a bullet. | 20
|
 |
Saw that one coming | Cause a rocket sentry to destroy its own rocket when the rocket has been redirected back towards it. | 5
|
 |
The Camera Adds 10 Pounds | Knock a turret over with a security camera. | 10
|
 |
Like a Rat | Trap yourself in a test chamber so that GLaDOS has to help you continue. | 20
|
 |
Feeling like Floating | Dissolve a turret. | 5
|
 |
Tests like Chicken | Find the chicken’s test results. | 15
|
 |
Cupcake | Beat 5 advanced chambers. | 10
|
 |
Fruitcake | Beat 10 advanced chambers. | 25
|
 |
Vanilla Crazy Cake | Beat all advanced chambers. | 35
|