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Basic Information
Map type: Mann vs. Machine
File name: mvm_decoy
Released: August 15, 2012 Patch
(Mann vs. Machine Update)
Developer(s): Valve
Map Info
Environment: Desert
Setting: Daylight, sunny
Map Items
Healthico.png Health Kits: Mediumhealth.png ×5  •  
Largehealth.png ×2
Ammoico.png Ammo Boxes: Mediumammo.png ×3   •  
Largeammo.png ×4
Map Photos
Loading screen photos.
Map Overview
Decoy overview.png
But if there is one thing we can do that these machines cannot, it is this: we can lie! We will lie to them on the beaches! We will lie to them in the beach parking lot! We may even lie to them on non-beach-related property! About the quality of our munitions! About the strength of our will! We will even lie about lying! That is how deep this rabbit hole goes! But the most important lie we will tell is this: Where the Mann Co. facilities are!
The Soldier

Decoy is a Mann vs. Machine map, released in the Mann vs. Machine Update. It is an abandoned town built near an anthracite coal mine and gravel quarry. In preparation for Gray Mann's robot invasion, the buildings have been poorly altered by the Soldier to resemble a crude facsimile of a Mann Co. facility. The map contains 7 missions: the Normal mission Doe's Drill; the Intermediate missions Doe's Doom and Day of Wreckening; the Advanced missions Disk Deletion, Data Demolition, and Disintegration; and the Expert mission Desperation.


  • 'Mann Co. Hatch of Great Importance': The 'bomb hatch' of the map. Contains three different pathways for robots.
  • Base Bridges: Two bridges connect the hatch to the rest of the map. Under the bridges is a ditch with two side tunnels to the topside. There's a couple crates that players can use to jump onto a broken staircase for a quicker way back to the hatch.
  • Left Cliff: Accessible from the left side of the central base. Contains max Health and Ammo kits and access to the Left Structure.
  • Center structures: The structure in the center of the map. Contains roof access in the back. Inside the building is a Medium Ammo Pickup. The inside also serves as a hiding place for a Teleport.
  • Left Structure: Contains access via ramp in the front.
  • Right Structure: Underneath is an interior pathway containing a lone Medium Health Kit.
  • Structure Bridge: The central bridge that connects the two side structures. The first line of defense in front of the robot spawn.


Main article: Community Decoy strategy

Update history

August 15, 2012 Patch (Mann vs. Machine Update)

  • Added Decoy to the game.

September 4, 2012 Patch

  • Updated Mvm_Decoy

September 10, 2015 Patch

  • [Undocumented] Added saucers and posters to Decoy.

November 25, 2015 Patch

  • [Undocumented] Removed Saucers and Posters from all maps.


  • The chances for each of the 3 paths to be chosen are not even. There is a 40% chance for the middle-left path, a 40% chance for the middle-right path, and 20% for the top left path (as seen from the defenders' spawn, not the robots').


  • On the right side of the house in the middle, bots can get stuck on the bomb if it is dropped there.


  • In Doomsday, a secret room contains a map with a picture resembling Decoy labelled "Cactus Valley". In Decoy, a large wooden sign on one of the buildings near the center of the map says "Cactus Valley" on it, and the tutorial video shown before the player enters the map is called "cactus_valley.wav".
  • Decoy was later mentioned in Shadow Boxers, when Gray Mann's robot army refer to the Soldier as "the genius who masterminded the decoy base."
  • In the building to the right facing the robot spawn is a room filled with half-done and misspelled wooden signs, several cans of white paint and paintbrushes, and a contract signed by Saxton Hale allowing Soldier to "Trick Robots". The signs are obvious failed attempts made by the Soldier during construction of Decoy.
  • The view of three buttes mostly buried in sand behind the RED Spawn references the Monument Valley Visitor Center view of the West and East Mitten Buttes and Merrick Butte.


External links