Portal: Still Alive cheats and cheat codes for Xbox 360

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Cheat codes:
Enter the following codes durng the game play:

Fire Rocket Projectile:
While playing the game, press Up, Y, Y, B, B, A, A, X, X, Up.

Fire Energy Ball:
While playing the game, press Up, Y, Y, X, X, A, A, B, B, Up.

Create Box:
While playing the game, press Down, B, A, B, Y, Down, B, A, B, Y.

Portal Placement Anywhere:
While playing the game, press Y, A, B, A, B, Y, Y, A, Left, Right.

Portalgun ID 0:
While playing the game, press Up, Left, Down, Right, Up, Left, Down, Right, Y, Y.

Portalgun ID 1:
While playing the game, press Up, Left, Down, Right, Up, Left, Down, Right, X, X.

Portalgun ID 2:
While playing the game, press Up, Left, Down, Right, Up, Left, Down, Right, A, A.

Portalgun ID 3:
While playing the game, press Up, Left, Down, Right, Up, Left, Down, Right, B, B.

Upgrade Portalgun:
While playing the game, press X, B, LB, RB, Left, Right, LB, RB, LT, RT.

Unlock two gamerpics and alternate opening screen:
Finish the game once.


Achievements:
Complete the following achievements to award the indicated amount
of Xbox Live Gamerscore points.

A Feeling Like Floating (5 gamerscore points):
Dissolve a turret.

The Camera Adds 10 Pounds (10 gamerscore points):
Knock a turret over with a security camera.

Tests Like Chicken (15 gamerscore points):
Unlocked by finding the chicken's test results.

Saw That One Coming (5 gamerscore points):
Cause a rocket sentry to destroy its own rocket when the rocket
has been redirected back towards it.

Rat's Tale (15 gamerscore points):
Unlocked by finding all the Rat Man dens.

Out of the Blue (25 gamerscore points):
Once you have control of both portals, only enter the orange portal.

Like a Rat (20 gamerscore points):
Trap yourself in a test chamber so that GLaDOS has to help you continue.

Is Anyone There? (20 gamerscore points):
Unlocked by finishing the game without ever taking a bullet.

Go for the Gold (15 gamerscore points):
Unlocked by earning a gold metal on a challenge map.

Cupcake (10 gamerscore points):
Unlocked by clearing 5 advanced chambers.

Fruitcake (25 gamerscore points):
Unlocked by clearing 10 advanced chambers.

Vanilla Crazy Cake (35 gamerscore points):
Unlocked by clearing all advanced chambers.