This only works in single player when cheats are enabled. Cheats will invalidate leaderboards and achievements.

In a single player level, open the console (press ~ or F1) and type:

The command you want to use for spawning monsters is called SpawnMob. It takes 5 arguments:

• String - Monster type
  
• Float - X offset to spawn monster in, oriented in absolute space
  
• Float - Y offset to spawn monster in, oriented in absolute space
  
• Float - Z offset to spawn monster in, oriented in absolute space
  
• Int - Additional type, some monsters use this parameter

The possible monsters type strings you can use are:

• "Santa"
  
• "Twister"
  
• "CrateBus"
  
• "CrateRider"
  
• "Huanman"
  
• "Mantaman"
  
• "Player"
  
• "AirElemental"
  
• "RollingStone"
  
• "CannonRotating"
  
• "CannonStatic"
  
• "Fish"
  
• "UghZan" (or "Devil")
  
• "Mordekai" (or "Summoner")
  
• "Bull", (or "Werebull")
  
• "Cucurbito" (or "ChainSawFreak")
  
• "Fiendian" (or "Demon")
  
• "Larva" (or "ExotechLarva")
  
• "MarshHopper" (or "Gizmo")
  
• "Zumbul" (or "Guffy")
  
• "Kleer" (or "Boneman")
  
• "Harpy" (or "Woman") with additional types
  
• "Bighead" with additional types
  
• "Catman" with additional types
  
• "Dragonman" with additional types
  
• "Arachnoid" (or "Scorpman") with additional types
  
• "Mechanoid" (or "Walker") with additional types
  
• "Elemental" with additional types
  
• "Gnaar" (or "Eyeman") with additional types
  
• "Zorg" (or "Grunt") with additional types
  
• "Beheaded" (or "Headman") with additional types
  
• "Reptiloid" (or "Beast") with additional types

For example, if you want to spawn a Kleer 5 meters north of you, you type the following:


Or a red walker: