Optimization

Portal

Cheat List:
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All commands are done via the console. They must be enabled via the console option
on shortcut, or enabled through the in-game options under the Advanced section of
Controls. It is then accessed by pressing ~.
(Note: Most of these require sv_cheats to be set to 1.)

Result Code
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Allow separate sets of portals to be created - change_portalgun_linkage_id <0-3>
Spawn Weighted Storage Cube - ent_create_portal_weight_box
Fire an energy ball - fire_energy_ball
Portal placement cannot be bumped - sv_portal_placement_never_bump 1
Portals can be placed on almost any surface - sv_portal_placement_never_fail 1
Allow use of second portal placement - upgrade_portalgun
Spawn citizen - npc_create npc_citizen
Spawn Breen - npc_create npc_breen
Spawn zombie - npc_create npc_zombie
Spawn Bouncy metal ball - ent_create_portal_metal_sphere
Basic portal gun - give weapon_portalgun
First person - view firstperson
Third person - view thirdperson
All weapons, including those from Half Life 2 - impulse 101
Invincibility - god
No clipping mode - noclip
Disable cheat mode - sv_cheats 0

Overheating Xbox 360:
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Play the level where you face off with the laser guided robots. Once you get past
the first few robots, you must start dropping the boxes on the robots heads so that
they fall over. In the little place that you find the first two boxes, crouch and
walk behind where the boxes were. You will find a little room with odd music playing
and graffiti on the walls that says things such as "The cake is a liar". There also
seems to be an Xbox 360 with a pot inside of it. The Xbox 360 is overheating and
boiling the water.

Box head pictures:
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On the level where you get the companion cube after you run past the energy balls
and are in the room with the three elevators, there are two doors leading to a
catcher, and a platform that is pushed out of the wall. Walk up to the platform
that is pushed out. Crouch behind it and walk through the opening. On the left hand
side are a group of pictures of people with boxes for heads and hearts around them.

Alternate title screen:
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Successfully complete the game to see the cake title screen.

Using cheats and unlocking achievements:
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There are achievements that you can get for completing certain tasks, however if
the sv_cheats code is enabled the achievements are disabled. There is a way around
this. There are a few command strings that can be bind to keys which allow you to
enable or disable God mode when desired, get all equipment such as weapons, plus
the better portal gun.
To do this, use the bind <key> "sv_cheats 1; wait; god; wait; wait; wait; sv_cheats 0"
console command. For God mode use the Bind <key> "sv_cheats 1; wait; Impulse 101; wait;
wait; wait; sv_cheats 0" console command.

Cake Recipe:
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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