Press "~" to access the console.

• PKAMMO: Gives full ammo
  
• PKPOWER: Gives full ammo and health
  
• PKWEAPONS: Gives all weapons
  
• PKGOLD: Gives a lot of gold
  
• PKKEEPBODIES: Toggles 'bodies will never disappear' on/off
  
• PKKEEPDECALS: Toggles 'decals will never disappear' on/off
  
• PKDEMON: Toggles 'demon morph' on/off
  
• PKWEAKENEMIES: Toggles 'enemies get 1 health point' on/off
  
• PKALWAYSGIB: Toggles 'excessive gibbage' on/off
  
• PKGOD: Toggles 'god mode' on/off
  
• PKHASTE: Toggles 'haste' on/off
  
• PKWEAPONMODIFIER: Toggles 'weapon modifier mode' on/off
  
• WEAPONSPECULAR: Toggles 'weapon specular' on/off. Press 1 and 0 to toggle.