List of useful console commands



Using the Developer Console, you can turn specific gameplay and graphic settings on and off or modify their values. The console can be enabled from the options menu in the Keyboard/Mouse section. Any command put in the autoexec.cfg file will automatically be loaded on game launch.

cl_ commands

 * cl_showpos 1 can useful for executing and sharing precise positioning and portal shots.

List of useful console commands
Type sv_cheats 0 or 1 to turn off or on cheats respectively.
 * portal_draw_ghosting 0/1 - Toggles the outline visible on portals through walls.
 * mat_fastspecular 0/1 - Setting to 0 will improve the quality of specular highlights.
 * r_portal_use_dlights 0/1 - Creates a dynamic light where portals are placed; looks aesthetically pleasing.
 * r_waterforcereflectentities 0/1 - Force water to reflect everything.
 * gameinstructor_enable 0/1 - Toggles the popup hints found throughout the game.
 * sv_player_funnel_into_portals 0/1 - Toggles whether the player is 'funnelled' into portals.
 * sv_props_funnel_into_portals 0/1 - Toggles whether objects are 'funnelled' into portals.
 * sv_enableholdrotation 0/1 - If enabled, objects can be freely rotated with the Portal Device when holding the secondary fire key.
 * cl_fov - Set desired field of vision.
 * viewmodel_offset_x - Offsets the viewmodel by this much on the x axis.
 * viewmodel_offset_y - Offsets the viewmodel by this much on the y axis.
 * viewmodel_offset_z - Offsets the viewmodel by this much on the z axis.
 * cm_reset_vo_progress - Resets the dialog progress of Cave Johnson in the Perpetual Testing Initiative.

Miscellaneous

 * bind " " - Binds a key with a command.
 * unbind - unbinds a key
 * kill / explode - Commit suicide.
 * jpeg - Take a jpeg screenshot. Use  to control the quality level of the resultant screenshots.
 * screenshot - Take a TGA screenshot.
 * r_drawviewmodel 0/1 - turns viewmodels on and off
 * find - a search function that displays all commands with searched term
 * net_graph <1-6>
 * Depending on the input value, different amounts of information will be shown such as ping, fps, lerp, packet loss, etc.
 * changelevel - changes the map without restarting the server.
 * cvarlist - View complete cvar list.
 * differences - View
 * exec - Execute config file.
 * map - changes the map and restarts the server.
 * maps - Display list of maps. Use  for a full listing.

For recording

NOTE: Videos that exceed the file size of 2 GB become corrupted and unviewable, either use a lower resolution before recording or record to raw images and sound instead!
 * record - records a demo. The Portal 2 will split demos on every map change (including the Hub) and adds _K as prefix where K starts from 2.
 * stop - stops the recording of a demo
 * startmovie - opens up the Source Recorder during demo playback and allows for high quality recording
 * endmovie - stop recording to image or AVI
 * host_framerate - tells the source recorder to record at a constant framerate
 * host_timescale - use in conjunction with host_framerate to produce a smooth video output