Start the game with hl.exe -console. Go into the game and press the [~] key to load up the console. From there you may activate codes and other neat stuff. *You may have to type "sv_cheats 1" in console first. The following cheats are available in console: /GOD - god mode. /NOCLIP - walk through walls/fly. /MAP xxxx - go to map xxxx Map names: Single player mode: c0a0 ; c0a0a ; c0a0b ; c0a0c ; c0a0d c0a0e ; c1a0 ; c1a0a ; c1a0b ; c1a0c c1a0d ; c1a0e ; c1a1 ; c1a1a ; c1a1b c1a1c ; c1a1d ; c1a1f ; c1a2 ; c1a2a c1a2b ; c1a2c ; c1a2d ; c1a3 ; c1a3a c1a3b ; c1a3c ; c1a3d ; c1a4 ; c1a4b c1a4d ; c1a4e ; c1a4f ; c1a4g ; c1a4i c1a4j ; c1a4k ; c2a1 ; c2a1a ; c2a1b c2a2 ; c2a2a ; c2a2b1 ; c2a2b2 ; c2a2c c2a2d ; c2a2e ; c2a2f ; c2a2g ; c2a2h c2a3 ; c2a3a ; c2a3b ; c2a3c ; c2a3d c2a3e ; c2a4 ; c2a4a ; c2a4b ; c2a4c c2a4d ; c2a4e ; c2a4f ; c2a4g ; c2a5 c2a5a ; c2a5b ; c2a5c ; c2a5d ; c2a5e c2a5f ; c2a5g ; c2a5w ; c2a5x ; c3a1 c3a1a ; c3a1b ; c3a2 ; c3a2a ; c3a2b c3a2c ; c3a2d ; c3a2e ; c3a2f ; c4a1 c4a1a ; c4a1b ; c4a1c ; c4a1d ; c4a1e c4a1f ; c4a2 ; c4a2a ; c4a2b ; c4a3 c5a1 Deathmatch: boot_camp ; bounce ; datacore lambda_bunker ; snark_pit stalkyard ; subtransit ; undertow Hazard Course: t0a0 ; t0a0a ; t0a0b ; t0a0b1 t0a0b2 ; t0a0c ; t0a0d /Impulse 101 - All Weapons, ammo and 15% battery energy /clear ram - Clears memory /GIVE xxxx - give item xxxx. These icons can be (Weapons) weapon_357 weapon_9mmAR weapon_9mmhandgun weapon_crossbow weapon_crowbar weapon_egon weapon_gauss weapon_glock weapon_handgrenade weapon_hornetgun weapon_mp5 weapon_python weapon_rpg weapon_satchel weapon_shotgun weapon_snark weapon_tripmine (Items) item_airtank item_antidote item_battery item_healthkit item_longjump item_security item_sodacan item_suit (Ammo) ammo_357 ammo_9mmAR ammo_9mmbox ammo_9mmclip ammo_ARgrenades ammo_buckshot ammo_crossbow ammo_egonclip ammo_gaussclip ammo_glockclip ammo_mp5clip ammo_mp5grenades ammo_rpgclip ========================================================================== The following variables are available in Half-Life. Listed are variable names and their default values. _snd_mixahead : 0.100, a _vid_default_mode : 0, a _vid_default_mode_win : 3, a _vid_wait_override : 0, a _windowed_mouse : 0, a ambient_fade : 100 ambient_level : 0.300 bgmbuffer : 4096 bgmvolume : 1, a bottomcolor : 1, a, i brightness : 0, a c_maxdistance : 200 c_maxpitch : 90 c_maxyaw : 135 c_mindistance : 30 c_minpitch : 0 c_minyaw : -135 cam_command : 0 cam_contain : 0 cam_idealdist : 64 cam_idealpitch : 0 cam_idealyaw : 90 cam_snapto : 0 chase_active : 0 chase_back : 100 chase_right : 0 chase_up : 16 cl_allowdownload : 1 cl_allowupload : 1 cl_anglespeedkey : 0.670 cl_appendmixed : 0 cl_backspeed : 400, a cl_bob : 0.010 cl_bobcycle : 0.800 cl_bobup : 0.500 cl_download_ingame : 1 cl_download_max : 0 cl_downloadinterval : 1 cl_forwardspeed : 400, a cl_gaitestimation : 1 cl_hightrack : 0 cl_himodels : 1 cl_movespeedkey : 0.300 cl_nodelta : 0 cl_nolerp : 0 cl_nopred : 0 cl_pitchdown : 89 cl_pitchspeed : 225 cl_pitchup : 89 cl_predict_players : 1 cl_resend : 3 cl_rollangle : 2 cl_rollspeed : 200 cl_shownet : 0 cl_showsizes : 0 cl_sidespeed : 400 cl_skycolor_b : 379 cl_skycolor_g : 682 cl_skycolor_r : 1123 cl_skyname : 2, a cl_skyvec_x : -0.707 cl_skyvec_y : 0 cl_skyvec_z : -0.707 cl_slist : 10 cl_solid_players : 1 cl_spectator_password : 0 cl_stats : 0 cl_timeout : 305, a cl_upload_max : 0 cl_upspeed : 320 cl_waterdist : 4 cl_yawspeed : 210 clientport : 27005 cmdline : 0, sv con_notifytime : 1 coop : 0, sv crosshair : 0, a deathmatch : 0, sv decalfrequency : 30 default_fov : 90 developer : 0 direct : 0.900 displaysoundlist : 0 edgefriction : 2, sv fakelag : 200 fakeloss : 10 filterban : 1 fps_lan : 72 fps_modem : 30 fps_single : 72 gamma : 3, a gl_affinemodels : 0 gl_alphamin : 0.250 gl_clear : 0 gl_cull : 1 gl_d3dflip : 0 gl_dither : 1, a gl_flipmatrix : 0, a gl_keeptjunctions : 1 gl_lightholes : 1 gl_max_size : 256 gl_monolights : 0, a gl_nobind : 0 gl_nocolors : 0 gl_overbright : 1, a gl_palette_tex : 1 gl_picmip : 0 gl_playermip : 0 gl_polyoffset : 4, a gl_reporttjunctions : 0 gl_round_down : 3 gl_smoothmodels : 1 gl_spriteblend : 1 gl_texsort : 0 gl_wateramp : 0 gl_zmax : 4096 gl_ztrick : 1 graphheight : 64 graphhigh : 512 graphmean : 1 graphmedian : 128 hisound : 1, a host_framerate : 0 host_killtime : 0 host_speeds : 0 hostname : 0 hostport : 0 hud_deathnotice_time : 6 hud_drawhistory_time : 5 hud_saytext_time : 5 ip : 0 ip_clientport : 0 ip_hostport : 0 ipx_clientport : 0 ipx_hostport : 0 joyadvanced : 0 joyadvaxisr : 0 joyadvaxisu : 0 joyadvaxisv : 0 joyadvaxisx : 0 joyadvaxisy : 0 joyadvaxisz : 0 joyforwardsensitivity : -1 joyforwardthreshold : 0.150 joyname : 0 joypitchsensitivity : 1 joypitchthreshold : 0.150 joysidesensitivity : -1 joysidethreshold : 0.150 joystick : 0 joywwhack1 : 0 joywwhack2 : 0 joyyawsensitivity : -1 joyyawthreshold : 0.150 lambert : 1.500 lcd_x : 0 lcd_yaw : 0 lightgamma : 2.500 loadas8bit : 0 lookspring : 0, a lookstrafe : 0, a m_filter : 0 m_forward : 1, a m_pitch : 0.022, a m_side : 0.800, a m_yaw : 0.022, a mapcyclefile : 0 model : 0, i motd_display_time : 6 mp_autocrosshair : 1, sv mp_falldamage : 0, sv mp_flashlight : 0, sv mp_footsteps : 1, sv mp_forcerespawn : 1, sv mp_fraglimit : 0, sv mp_friendlyfire : 0, sv mp_teamplay : 0, sv mp_timelimit : 0, sv mp_weaponstay : 0, sv name : 0, a, i netchokeloop : 1 netusage : 0 noip : 0 noipx : 1 nosound : 0 password : 0, i pausable : 1, sv pm_nocomplex : 0 pm_nostucktouch : 0 pm_nostudio : 0 pm_pushfix : 0 pm_worldonly : 0 port : 27015 precache : 1 pushlatency : -500 r_decals : 1 r_drawentities : 1 r_drawviewmodel : 1 r_dynamic : 1 r_fullbright : 0 r_lightmap : 0 r_mirroralpha : 1 r_mmx : 0 r_netgraph : 1 r_norefresh : 0 r_novis : 0 r_shadows : 0 r_speeds : 0 r_traceglow : 0 r_wadtextures : 0 r_wateralpha : 1 rate : 2500, a, i rcon_address : 0 rcon_password : 0 rcon_port : 0 registered : 0 room_delay : 0.065 room_dlylp : 0 room_feedback : 0.100 room_left : 0.010 room_lp : 0 room_mod : 0 room_off : 0 room_refl : 0 room_rvblp : 1 room_size : 0 room_type : 1 s_2dvolume : 1 s_a3d : 0 s_automax_distance : 30, a s_automin_distance : 2, a s_blipdir : 0 s_bloat : 2, a s_buffersize : 65536 s_distance : 60, a s_doppler : 0, a s_eax : 0 s_geometry : 1 s_leafnum : 0, a s_materials : 0 s_max_distance : 1000, a s_min_distance : 5, a s_numpolys : 200, a s_occ_epsilon : 1 s_occfactor : 0.250 s_occlude : 1 s_polykeep : 1000000000, a s_polysize : 10000000, a s_refdelay : 4, a s_refgain : 0.400, a s_reflect : 1 s_reverb : 1 s_rolloff : 1, a, i s_showtossed : 0 s_usepvs : 1 s_verbwet : 0.250, a scr_centertime : 2 scr_connectmsg : 0 scr_connectmsg1 : 0 scr_connectmsg2 : 0 scr_conspeed : 600 scr_ofsx : 0 scr_ofsy : 0 scr_ofsz : 0 scr_printspeed : 8 sensitivity : 11, a serverprofile : 0 showdrop : 0 showpackets : 0 showpause : 1 showram : 0 showtriggers : 0 sk_12mm_bullet1 : 8 sk_12mm_bullet2 : 10 sk_12mm_bullet3 : 10 sk_9mmAR_bullet1 : 3 sk_9mmAR_bullet2 : 4 sk_9mmAR_bullet3 : 5 sk_9mm_bullet1 : 5 sk_9mm_bullet2 : 5 sk_9mm_bullet3 : 8 sk_agrunt_dmg_punch1 : 10 sk_agrunt_dmg_punch2 : 20 sk_agrunt_dmg_punch3 : 20 sk_agrunt_health1 : 60 sk_agrunt_health2 : 90 sk_agrunt_health3 : 120 sk_apache_health1 : 150 sk_apache_health2 : 250 sk_apache_health3 : 400 sk_barney_health1 : 35 sk_barney_health2 : 35 sk_barney_health3 : 35 sk_battery1 : 15 sk_battery2 : 15 sk_battery3 : 10 sk_bigmomma_dmg_blast1 : 100 sk_bigmomma_dmg_blast2 : 120 sk_bigmomma_dmg_blast3 : 160 sk_bigmomma_dmg_slash1 : 50 sk_bigmomma_dmg_slash2 : 60 sk_bigmomma_dmg_slash3 : 70 sk_bigmomma_health_factor1 : 1 sk_bigmomma_health_factor2 : 1.500 sk_bigmomma_health_factor3 : 2 sk_bigmomma_radius_blast1 : 250 sk_bigmomma_radius_blast2 : 250 sk_bigmomma_radius_blast3 : 275 sk_bullsquid_dmg_bite1 : 15 sk_bullsquid_dmg_bite2 : 25 sk_bullsquid_dmg_bite3 : 25 sk_bullsquid_dmg_spit1 : 10 sk_bullsquid_dmg_spit2 : 10 sk_bullsquid_dmg_spit3 : 15 sk_bullsquid_dmg_whip1 : 25 sk_bullsquid_dmg_whip2 : 35 sk_bullsquid_dmg_whip3 : 35 sk_bullsquid_health1 : 40 sk_bullsquid_health2 : 40 sk_bullsquid_health3 : 120 sk_controller_dmgball1 : 3 sk_controller_dmgball2 : 4 sk_controller_dmgball3 : 5 sk_controller_dmgzap1 : 15 sk_controller_dmgzap2 : 25 sk_controller_dmgzap3 : 35 sk_controller_health1 : 60 sk_controller_health2 : 60 sk_controller_health3 : 100 sk_controller_speedball1 : 650 sk_controller_speedball2 : 800 sk_controller_speedball3 : 1000 sk_gargantua_dmg_fire1 : 3 sk_gargantua_dmg_fire2 : 5 sk_gargantua_dmg_fire3 : 5 sk_gargantua_dmg_slash1 : 10 sk_gargantua_dmg_slash2 : 30 sk_gargantua_dmg_slash3 : 30 sk_gargantua_dmg_stomp1 : 50 sk_gargantua_dmg_stomp2 : 100 sk_gargantua_dmg_stomp3 : 100 sk_gargantua_health1 : 800 sk_gargantua_health2 : 800 sk_gargantua_health3 : 1000 sk_hassassin_health1 : 30 sk_hassassin_health2 : 50 sk_hassassin_health3 : 50 sk_headcrab_dmg_bite1 : 5 sk_headcrab_dmg_bite2 : 10 sk_headcrab_dmg_bite3 : 10 sk_headcrab_health1 : 10 sk_headcrab_health2 : 10 sk_headcrab_health3 : 20 sk_healthcharger1 : 50 sk_healthcharger2 : 40 sk_healthcharger3 : 25 sk_healthkit1 : 15 sk_healthkit2 : 15 sk_healthkit3 : 10 sk_hgrunt_gspeed1 : 400 sk_hgrunt_gspeed2 : 600 sk_hgrunt_gspeed3 : 800 sk_hgrunt_health1 : 50 sk_hgrunt_health2 : 50 sk_hgrunt_health3 : 80 sk_hgrunt_kick1 : 5 sk_hgrunt_kick2 : 10 sk_hgrunt_kick3 : 10 sk_hgrunt_pellets1 : 3 sk_hgrunt_pellets2 : 5 sk_hgrunt_pellets3 : 6 sk_hornet_dmg1 : 4 sk_hornet_dmg2 : 5 sk_hornet_dmg3 : 8 sk_houndeye_dmg_blast1 : 10 sk_houndeye_dmg_blast2 : 15 sk_houndeye_dmg_blast3 : 15 sk_houndeye_health1 : 20 sk_houndeye_health2 : 20 sk_houndeye_health3 : 30 sk_ichthyosaur_health1 : 200 sk_ichthyosaur_health2 : 200 sk_ichthyosaur_health3 : 400 sk_ichthyosaur_shake1 : 20 sk_ichthyosaur_shake2 : 35 sk_ichthyosaur_shake3 : 50 sk_islave_dmg_claw1 : 8 sk_islave_dmg_claw2 : 10 sk_islave_dmg_claw3 : 10 sk_islave_dmg_clawrake1 : 25 sk_islave_dmg_clawrake2 : 25 sk_islave_dmg_clawrake3 : 25 sk_islave_dmg_zap1 : 10 sk_islave_dmg_zap2 : 10 sk_islave_dmg_zap3 : 15 sk_islave_health1 : 30 sk_islave_health2 : 30 sk_islave_health3 : 60 sk_leech_dmg_bite1 : 2 sk_leech_dmg_bite2 : 2 sk_leech_dmg_bite3 : 2 sk_leech_health1 : 2 sk_leech_health2 : 2 sk_leech_health3 : 2 sk_miniturret_health1 : 40 sk_miniturret_health2 : 40 sk_miniturret_health3 : 50 sk_monster_arm1 : 1 sk_monster_arm2 : 1 sk_monster_arm3 : 1 sk_monster_chest1 : 1 sk_monster_chest2 : 1 sk_monster_chest3 : 1 sk_monster_head1 : 3 sk_monster_head2 : 3 sk_monster_head3 : 3 sk_monster_leg1 : 1 sk_monster_leg2 : 1 sk_monster_leg3 : 1 sk_monster_stomach1 : 1 sk_monster_stomach2 : 1 sk_monster_stomach3 : 1 sk_nihilanth_health1 : 800 sk_nihilanth_health2 : 800 sk_nihilanth_health3 : 1000 sk_nihilanth_zap1 : 30 sk_nihilanth_zap2 : 30 sk_nihilanth_zap3 : 50 sk_player_arm1 : 1 sk_player_arm2 : 1 sk_player_arm3 : 1 sk_player_chest1 : 1 sk_player_chest2 : 1 sk_player_chest3 : 1 sk_player_head1 : 3 sk_player_head2 : 3 sk_player_head3 : 3 sk_player_leg1 : 1 sk_player_leg2 : 1 sk_player_leg3 : 1 sk_player_stomach1 : 1 sk_player_stomach2 : 1 sk_player_stomach3 : 1 sk_plr_357_bullet1 : 40 sk_plr_357_bullet2 : 40 sk_plr_357_bullet3 : 40 sk_plr_9mmAR_bullet1 : 5 sk_plr_9mmAR_bullet2 : 5 sk_plr_9mmAR_bullet3 : 5 sk_plr_9mmAR_grenade1 : 100 sk_plr_9mmAR_grenade2 : 100 sk_plr_9mmAR_grenade3 : 100 sk_plr_9mm_bullet1 : 8 sk_plr_9mm_bullet2 : 8 sk_plr_9mm_bullet3 : 8 sk_plr_buckshot1 : 5 sk_plr_buckshot2 : 5 sk_plr_buckshot3 : 5 sk_plr_crowbar1 : 10 sk_plr_crowbar2 : 10 sk_plr_crowbar3 : 10 sk_plr_egon_narrow1 : 6 sk_plr_egon_narrow2 : 6 sk_plr_egon_narrow3 : 6 sk_plr_egon_wide1 : 14 sk_plr_egon_wide2 : 14 sk_plr_egon_wide3 : 14 sk_plr_gauss1 : 20 sk_plr_gauss2 : 20 sk_plr_gauss3 : 20 sk_plr_hand_grenade1 : 100 sk_plr_hand_grenade2 : 100 sk_plr_hand_grenade3 : 100 sk_plr_rpg1 : 100 sk_plr_rpg2 : 100 sk_plr_rpg3 : 100 sk_plr_satchel1 : 150 sk_plr_satchel2 : 150 sk_plr_satchel3 : 150 sk_plr_tripmine1 : 150 sk_plr_tripmine2 : 150 sk_plr_tripmine3 : 150 sk_plr_xbow_bolt_client1 : 10 sk_plr_xbow_bolt_client2 : 10 sk_plr_xbow_bolt_client3 : 10 sk_plr_xbow_bolt_monster1 : 50 sk_plr_xbow_bolt_monster2 : 50 sk_plr_xbow_bolt_monster3 : 50 sk_scientist_heal1 : 25 sk_scientist_heal2 : 25 sk_scientist_heal3 : 25 sk_scientist_health1 : 20 sk_scientist_health2 : 20 sk_scientist_health3 : 20 sk_sentry_health1 : 40 sk_sentry_health2 : 40 sk_sentry_health3 : 50 sk_snark_dmg_bite1 : 10 sk_snark_dmg_bite2 : 10 sk_snark_dmg_bite3 : 10 sk_snark_dmg_pop1 : 5 sk_snark_dmg_pop2 : 5 sk_snark_dmg_pop3 : 5 sk_snark_health1 : 2 sk_snark_health2 : 2 sk_snark_health3 : 2 sk_suitcharger1 : 75 sk_suitcharger2 : 50 sk_suitcharger3 : 35 sk_turret_health1 : 50 sk_turret_health2 : 50 sk_turret_health3 : 60 sk_zombie_dmg_both_slash1 : 25 sk_zombie_dmg_both_slash2 : 40 sk_zombie_dmg_both_slash3 : 40 sk_zombie_dmg_one_slash1 : 10 sk_zombie_dmg_one_slash2 : 20 sk_zombie_dmg_one_slash3 : 20 sk_zombie_health1 : 50 sk_zombie_health2 : 50 sk_zombie_health3 : 100 skill : 3 skin : 0, a, i snd_noextraupdate : 0 snd_show : 0 spectator : 0, i suitvolume : 1, a sv_accelerate : 10, sv sv_aim : 1, sv sv_airaccelerate : 10, sv sv_airmove : 1, sv sv_allowdownload : 1, sv sv_allowupload : 1, sv sv_bounce : 1, sv sv_challengetime : 15 sv_cheats : 0, sv sv_clienttrace : 1, sv sv_clipmode : 0, sv sv_friction : 4, sv sv_gravity : 800, sv sv_idealpitchscale : 0.800 sv_language : 0 sv_masterprint : 1 sv_masterprinttime : 5 sv_maxspectators : 8, sv sv_maxspeed : 320, sv sv_maxvelocity : 2000 sv_netsize : 0 sv_newunit : 0 sv_password : 0 sv_showcmd : 0 sv_skyname : 2 sv_spectalk : 1, sv sv_spectator_password : 0 sv_spectatormaxspeed : 500, sv sv_stepsize : 18, sv sv_stopspeed : 100, sv sv_timeout : 65, sv sv_upload_maxsize : 0, sv sv_wateraccelerate : 10, sv sv_wateramp : 0 sv_waterfriction : 1, sv sv_zmax : 4096 sys_ticrate : 0.050 team : 0, a, i team1_color : 0 team1_model : 0 team1_name : 0 team1_skin : 0 team2_color : 0 team2_model : 0 team2_name : 0 team2_skin : 0 texgamma : 2 topcolor : 1, a, i traceralpha : 0.500 tracerblue : 0.400 tracergreen : 0.800 tracerlength : 0.800 traceroffset : 30 tracerred : 0.800 tracerspeed : 6000 v_centermove : 0.150 v_centerspeed : 500 v_dark : 0 v_idlescale : 0 v_ipitch_cycle : 1 v_ipitch_level : 0.300 v_iroll_cycle : 0.500 v_iroll_level : 0.100 v_iyaw_cycle : 2 v_iyaw_level : 0.300 v_kickpitch : 0.600 v_kickroll : 0.600 v_kicktime : 0.500 vid_config_x : 800, a vid_config_y : 600, a vid_d3d : 0 vid_mode : 0 vid_nopageflip : 0, a vid_stretch_by_2 : 1, a vid_wait : 0 viewsize : 120, a violence_ablood : 1 violence_agibs : 1 violence_hblood : 1 violence_hgibs : 1 volume : 1, a waterroom_type : 14 zoom_sensitivity_ratio : 1.200 ========================================================================== The following commands are available in Half-Life. Listed are command names and their default values. addip alias allowupload appenddemo autosave begin bind cancelselect cd cdkey centerview changelevel changelevel2 cl_allow_downloa cl_allow_upload cl_bitcounts cl_messages cl_print_custom cl_usr cl_view clear clearlist cmd cmdlist connect contimes crc customrsrclist cvarlist demos disconnect download dropclient echo endmovie entities envmap escape exec exit firstperson flush fly force_centerview fullinfo gl_dump gl_log gl_texels gl_texturemode god heartbeat hideconsole hpkextract hpklist hpkremove hpkval impulse info interp invnext invprev joyadvancedupdat keys kick kill killserver list listdemo listip load logos map maps maxplayers mcache mem_prediction messagemode messagemode2 motd netbad netmax new nextdl noclip notarget path pause ping pingservers play playdemo playvol pointfile prespawn ptrack quit rcon reconnect record reload removedemo removeip resourcelist resources restart retry revertprofile s_disable_a3d s_enable_a3d save say say_team screenshot setdemoinfo setinfo setmaster shortname sizedown sizeup skipdl skipul slist slot1 slot2 slot3 slot4 slot5 snapshot snapto soundfade soundinfo soundlist spawn speak startdemos startmovie status stop stopdemo stopsound stuffcmds sv_allow_downloa sv_allow_upload sv_print_custom svaddchannel svclearchannels svremovechannel swapdemo tell thirdperson timedemo timerefresh toggleconsole unbind unbindall upload uprate user users version vid_describemode viewframe viewmodel viewnext viewprev wait wc writeip writeprofile +attack +attack2 +back +camdistance +camin +cammousemove +camout +campitchdown +campitchup +camyawleft +camyawright +duck +forward +jump +klook +left +lookdown +lookup +mlook +movedown +moveleft +moveright +moveup +reload +right +showscores +speed +strafe +use -attack -attack2 -back -camdistance -camin -cammousemove -camout -campitchdown -campitchup -camyawleft -camyawright -duck -forward -jump -klook -left -lookdown -lookup -mlook -movedown -moveleft -moveright -moveup -reload -right -showscores -speed -strafe -use