Füge in STEAM bei "Meine Spiele" die Startoption (per Rechtsklick) "-console" hinzu. Wenn du das Spiel startest sollte bereits die Konsole geöffnet sein. Gib nun "bind p toggleconsole" ein, um die Konsole zukünftig mit [P] zu öffnen/schließen. In der Konsole können folgende Codes eingegeben werden:

Waffencheats:

give melee
give rifle_desert
give rifle_ak47
give sniper_military
give pistol_magnum
give smg_silenced
give shotgun_chrome
give shotgun_spas
give tonfa
give vomitjar
give electric_guitar
give frying_pan
give machete
give pistol
give pumpshotgun
give autoshotgun
give smg
give rifle
give hunting_rifle
give weapon_grenade_launcher
give molotov
give pipe_bomb
give propanetank
give gascan
give oxygentank

Zombies:

z_spawn spitter
z_spawn jockey
z_spawn charger
z_spawn zombie
z_spawn mob
z_spawn boomer
z_spawn hunter
z_spawn witch
z_spawn smoker
z_spawn tank

Maps:

Dead Center
map c1m1_hotel
map c1m2_streets
map c1m3_mall
map c1m4_atrium

Dark Carnival
map c2m1_highway
map c2m2_fairgrounds
map c2m3_coaster
map c2m4_barns
map c2m5_concert

Swamp Fever
map c3m1_plankcountry
map c3m2_swamp
map c3m3_shantytown
map c3m4_plantation

Hard Rain
map c4m1_milltown_a
map c4m2_sugarmill_a
map c4m3_sugarmill_b (Mill Escape level)
map c4m4_milltown_b (Return To Town level)
map c4m5_milltown_escape

The Parish
map c5m1_waterfront_sndscape (Demo Level)
map c5m1_waterfront
map c5m2_park
map c5m3_cemetery
map c5m4_quarter
map c5m5_bridge