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.)
change_portalgun_linkage_id #
Replace # with 0, 1, 2, or 3. This allows for separate sets of portals to be created.
ent_create_portal_weight_box
Creates a Weighted Storage Cube for your use.
fire_energy_ball
Fires an energy ball that can be used in solving puzzles.
sv_portal_placement_never_bump 1
Self-explanitory.
sv_portal_placement_never_fail 1
Portals can be placed on almost any surface.
upgrade_portalgun
Will allow use of second portal placement.
Walkthroughs 
