Half-Life 2

Unpack the included file into your Half Life 2 /cfg/ directory.
This will give you access to all levels and make you choose your
favorite one without playing thru them all.

Now, use the "~" key while playing to bring up the console and
enter the following codes there:

NOTE: German users shoud add bind "\" toggleconsole to the included
cfg file in the release to get console commands to work.

god - God mode
give - Gives a weapon or an item (see the list below)
buddha - Reduces your health
hurtme # - Hurts the player (# is damage amount)
impulse 101- All weapons
impulse 82 - Spawns a jeep
notarget - Player becomes hidden to NPCs
noclip - Walk through walls (server side only)
maps - Displays map list
map - Load a specified map (see the list below)
developer # - Sets developer mode to on/off/verbose
(0-off, 1-on, 2-verbose)
+mlook - Enables mouse look
hud_quickhelp/text? 1 - Shows crosshair
viewmodel_fov # - Sets the size of the weapon you're carrying
(54 is default)
exec - Execute a script file
cl_drawhud 1 - Turns hud display on
cl_enablehud 1 - Turns hud display on
cl_showfps 1 - Shows frames per second in game
npc_create - Creates an NPC (works in worlds that have an NPC entity)
npc_create_aimed - Creates an NPC aiming away from the player.
picker - Toggles 'picker' mode.
setpos - Move player to specified origin (must have sv_cheats 1
enabled).
setang - Snap player eyes to specified pitch yaw (musthave sv_cheats).
sv_gravity # - Set gravity to #
sv_stopspeed # - Set minimum stopping speed when on ground to #
sv_friction # - Sets world friction to #
sv_bounce # - Sets bounce multiplier for physically simulated objects
collision
sv_maxvelocity # - Sets the maximum velocity of any moving object to #
sv_waterdist # - Sets vertical view fixup when eyes are near water
plane to #
air_density # - Changes the density of air to #
dsp_explosion_effect_duration # - Sets length of confusion/ear-ringing
effect to #
prop_debug - Toggle bounding-boxes debug mode on/off (red - ignore
damage, white - respond to damage, green - health)
sv_soundemitter_filecheck - Toggle reporting missing .wav files for
sounds
mat_numtextureunits # - Limits the number of texture units to #
(0 - let the game decide how many texture units to use)
mat_yuv 0 - ?
-r_anamorphic 0
-netgraph 3
-mat_preloadshaders
-preload
-console
-dx9
-fullscreen
-width 1024 -height 768
-heapsize 80000
-dxlevel 90
-shaderdll shader_nvfx_ps20.dll
-mouselook
-dx8
-condebug
-sw
-startwindowed
-window
-windowed

Map Names:
d1_canals_01, d1_canals_02, d1_canals_end, d1_tempanals_02, d1_town_01,
d1_town_02, d1_town_03, d1_town_04, d1_town_05, d1_trainstation_01,
d1_trainstation_02, d1_trainstation_03, d1_trainstation_05, d1_under_01,
d1_under_02, d1_under_03, d1_under_04, d2_coast_01, d2_coast_02,
d2_coast_03, d2_coast_04, d2_coast_04_dx60, d2_coast_05, d2_coast_06,
d2_coast_07, d2_coast_08, d2_prison_01, d2_prison_02, d2_prison_03,
d2_prison_04, d2_prison_05, d3_c17_03, d3_c17_04, d3_c17_05, d3_c17_06a,
d3_c17_06b, d3_c17_07

Weapon Names:
weapon_alyxgun, weapon_ar1, weapon_ar2, weapon_bugbait, weapon_cguard,
weapon_crowbar, weapon_extinguisher, weapon_flaregun, weapon_frag,
weapon_gauss, weapon_hopwire, weapon_iceaxe, weapon_physcannon,
weapon_physgun, weapon_pistol, weapon_rpg, weapon_shotgun,
weapon_smg1, weapon_smg2, weapon_stickylauncher, weapon_stunstick,
weapon_thumper, weapon_sniperrifle, weapon_rollerwand, weapon_molotov,
weapon_manhack, weapon_immolator, weapon_irifle, weapon_slam,
weapon_hmg1, weapon_cubemap, weapon_binoculars, weapon_ml,
weapon_brickbat

Item names:
item_box_buckshot, item_box_mrounds, item_box_sniper_rounds,
item_box_srounds, item_healthkit, item_battery, item_suit,
item_ml_grenade, item_ar2_grenade, item_healthvial

Unpack the included file into your Half Life 2 /cfg/ directory.
This will give you access to all levels and make you choose your
favorite one without playing thru them all.

Now, use the "~" key while playing to bring up the console and
enter the following codes there:

NOTE: German users shoud add bind "\" toggleconsole to the included
cfg file in the release to get console commands to work.

god - God mode
give - Gives a weapon or an item (see the list below)
buddha - Reduces your health
hurtme # - Hurts the player (# is damage amount)
impulse 101- All weapons
impulse 82 - Spawns a jeep
notarget - Player becomes hidden to NPCs
noclip - Walk through walls (server side only)
maps - Displays map list
map - Load a specified map (see the list below)
developer # - Sets developer mode to on/off/verbose
(0-off, 1-on, 2-verbose)
+mlook - Enables mouse look
hud_quickhelp/text? 1 - Shows crosshair
viewmodel_fov # - Sets the size of the weapon you're carrying
(54 is default)
exec - Execute a script file
cl_drawhud 1 - Turns hud display on
cl_enablehud 1 - Turns hud display on
cl_showfps 1 - Shows frames per second in game
npc_create - Creates an NPC (works in worlds that have an NPC entity)
npc_create_aimed - Creates an NPC aiming away from the player.
picker - Toggles 'picker' mode.
setpos - Move player to specified origin (must have sv_cheats 1
enabled).
setang - Snap player eyes to specified pitch yaw (musthave sv_cheats).
sv_gravity # - Set gravity to #
sv_stopspeed # - Set minimum stopping speed when on ground to #
sv_friction # - Sets world friction to #
sv_bounce # - Sets bounce multiplier for physically simulated objects
collision
sv_maxvelocity # - Sets the maximum velocity of any moving object to #
sv_waterdist # - Sets vertical view fixup when eyes are near water
plane to #
air_density # - Changes the density of air to #
dsp_explosion_effect_duration # - Sets length of confusion/ear-ringing
effect to #
prop_debug - Toggle bounding-boxes debug mode on/off (red - ignore
damage, white - respond to damage, green - health)
sv_soundemitter_filecheck - Toggle reporting missing .wav files for
sounds
mat_numtextureunits # - Limits the number of texture units to #
(0 - let the game decide how many texture units to use)
mat_yuv 0 - ?
-r_anamorphic 0
-netgraph 3
-mat_preloadshaders
-preload
-console
-dx9
-fullscreen
-width 1024 -height 768
-heapsize 80000
-dxlevel 90
-shaderdll shader_nvfx_ps20.dll
-mouselook
-dx8
-condebug
-sw
-startwindowed
-window
-windowed

Map Names:
d1_canals_01, d1_canals_02, d1_canals_end, d1_tempanals_02, d1_town_01,
d1_town_02, d1_town_03, d1_town_04, d1_town_05, d1_trainstation_01,
d1_trainstation_02, d1_trainstation_03, d1_trainstation_05, d1_under_01,
d1_under_02, d1_under_03, d1_under_04, d2_coast_01, d2_coast_02,
d2_coast_03, d2_coast_04, d2_coast_04_dx60, d2_coast_05, d2_coast_06,
d2_coast_07, d2_coast_08, d2_prison_01, d2_prison_02, d2_prison_03,
d2_prison_04, d2_prison_05, d3_c17_03, d3_c17_04, d3_c17_05, d3_c17_06a,
d3_c17_06b, d3_c17_07

Weapon Names:
weapon_alyxgun, weapon_ar1, weapon_ar2, weapon_bugbait, weapon_cguard,
weapon_crowbar, weapon_extinguisher, weapon_flaregun, weapon_frag,
weapon_gauss, weapon_hopwire, weapon_iceaxe, weapon_physcannon,
weapon_physgun, weapon_pistol, weapon_rpg, weapon_shotgun,
weapon_smg1, weapon_smg2, weapon_stickylauncher, weapon_stunstick,
weapon_thumper, weapon_sniperrifle, weapon_rollerwand, weapon_molotov,
weapon_manhack, weapon_immolator, weapon_irifle, weapon_slam,
weapon_hmg1, weapon_cubemap, weapon_binoculars, weapon_ml,
weapon_brickbat

Item names:
item_box_buckshot, item_box_mrounds, item_box_sniper_rounds,
item_box_srounds, item_healthkit, item_battery, item_suit,
item_ml_grenade, item_ar2_grenade, item_healthvial