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  Portal: Still Alive [Xbox 360]
Cheat Mode
Enter the following codes while playing:

[Down], [B], [A], [B], [Y], [Down], [B], [A], [B], [Y] - Create Box.
[Up], [Y], [Y], [X], [X], [A], [A], [B], [B], [Up] - Fire Energy Ball.
[Up], [Y], [Y], [B], [B], [A], [A], [X], [X], [Up] - Fire Rocket Projectile.
[Y], [A], [B], [A], [B], [Y], [Y], [A], [Left], [Right] - Portal Placement Anywhere.
[Up], [Left], [Down], [Right], [Up], [Left], [Down], [Right], [Y], [Y] - Portalgun ID 0.
[Up], [Left], [Down], [Right], [Up], [Left], [Down], [Right], [X], [X] - Portalgun ID 1.
[Up], [Left], [Down], [Right], [Up], [Left], [Down], [Right], [A], [A] - Portalgun ID 2.
[Up], [Left], [Down], [Right], [Up], [Left], [Down], [Right], [B], [B] - Portalgun ID 3.
[X], [B], [LB], [RB], [Left], [Right], [LB], [RB], [LT], [RT] - Upgrade Portalgun.


Unlockables

Gamerpics
Successfully complete the game to unlock the two Gamerpics (companion cube with wings and a knife cutting a cake).

Alternate opening screen
Successfully complete the game to have the cake appear at the opening screen. Allow the game to idle at that screen to see other new changes.

Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points.

Go for the Gold (15 points): Win a gold metal on a challenge map.
Out of the Blue (25 points): Once you have control of both portals, only enter the orange portal.
Rat's Tale (15 points): Find all the Rat Man dens.
Is Anyone There? (20 points): Complete the game without ever taking a bullet.
Saw That One Coming (5 points): Cause a rocket sentry to destroy its own rocket when the rocket has been redirected back towards it.
The Camera Adds 10 Pounds (10 points): Knock a turret over with a security camera.
Like a Rat (20 points): Trap yourself in a test chamber so that GLaDOS has to help you continue.
A Feeling Like Floating (5 points): Dissolve a turret.
Tests Like Chicken (15 points): Find the chicken's test results.
Cupcake (10 points): Beat 5 advanced chambers.
Fruitcake (25 points): Beat 10 advanced chambers.
Vanilla Crazy Cake (35 points): Beat all advanced chambers.

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