Xbox 360 | Submitted by DCSlolEnsare Glitch
test chamber 15 last room
first, get to the end room of test chamber 15
then play through how you would by opening the two doors of the machine then shoot a portal at the ground while you are at the top of the lift and then quickly shoot another at the base of the machine.
hop through and maneuver into the machine.
if done correctly glados will say,"through no fault of the enrichment center you have managed to get yourself trapped in this room, an escape hatch will open in 3.2.1..."
Xbox 360 | Submitted by Bronson RichardEasy Peasy Level Sixy
If you want to beat level six in about twenty seconds, do as follows:First build a portal right in front of the platform that leads to the elevator of the next level. Then, go to your left and walk up the generating stairs. Once at the top,look strait down towards were the stairs were and shoot a portal of the opposite color down the drop and jump in it. When you get to the other side of the portal quickly move forward. Simply walk toward the elevator, Presto Level done.
Xbox 360 | Submitted by Silverlit64Achievments
Terminal Velocity - Fall 30,000ft.
Long Jump - Jump 300ft.
Fratricide - Do whatever it takes to survive.(Incinerate Companion Cube)
Partygoer - Make the right party submission position decision.(Start The Escape)
Heartbreaker - Complete Portal.
Cupcake - Complete 2 Portal advanced levels.
Fruitcake - Complete 4 Portal advanced levels.
Vanilla Crazy Cake - Complete all 6 Portal advanced levels.
Frindly Fire - Knock over one turret with another turret.
Lab Rat - Get the fully powered Aperture Portalgun
Basic Science - Get bronze medals on all of the Portal Challenges.
Rocket Science - Get silver medals on all of the Portal Challenges.
Aperture Science - Get Gold medals on all of the Portal Challenges.
Camera Shy - Detach all 33 security cameras from the walls.(Shoot a portal at them)
Xbox 360, PC | Submitted by Aperture ScienceCake Recipe
1 (18.25 oz) package chocolate cake mix
1 can prepared coconut frosting
3/4 cups vegetable oil
4 large eggs
1 cup semi-sweet chocolate chips
3/4 cup butter or margarine, softened
2/3 cups granulated sugar
3 large eggs
1 teaspoon vanilla extract
2 cups all purpose flour
2/3 cups cocoa
1/4 teaspoon baking soda
1 teaspoon salt
1/4 teaspoon baking powder
1/3 cups water
1 to 2 (6 oz each) vanilla frosting
PS3 | Submitted by ZazamazuCodes
Down, O, X, O, Triangle, Down, O, X, O, Triangle - Create A Cube
Left, Left, Left, Left, L1, Right, Right, Right, Right, R1 - Unlock All Levels
Xbox 360 | Submitted by GamesRadarCheats
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
PC | Submitted by GamesRadarCheats
Press ~ to open the console. You may have to add "-console" to the end of the path in the game's shortcut. Next, enter sv_cheats 1.
change_portalgun_linkage_id # (0, 1, 2, 3) - Changes portal linkage ID.
ent_create_portal_weight_box - Create a Weighted Storage Cube
fire_rocket_projectile - Fires a rocket.
fire_energy_ball - Fires an energy ball.
sv_portal_placement_never_fail # (1 or 0) - Shoot portals anywhere.
upgrade_portalgun - Gives a portal gun if you have none. If you have basic portal gun, gives full gun.
Portal Easter Eggs
Xbox 360, PC | Submitted by GamesRadarEaster Egg in the Companion Block Level
In the level in which you have to use the "companion block" (with the hearts on it), one of the walls is sticking out, and behind it is a secret area with writing and posters on the walls. Beneath the photos of people with the block's picture pasted on their heads there is a username and password scribbled on the wall. It reads:
Go to http://www.aperturelabratories.com/ and type "Login." Then enter the username and password. Once you've done that, you can enter the following commands: