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Underground - Sector 1: Mars City Service Sub-Level

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Lost Mission
  • Enpro: 1 2
  • Underground: 1 2
  • Exis Labs: 1 2
  • Hell: 1 2

Underground - Sector 1: Mars City Service Sub-Level is the third level of The Lost Mission. The marine must find a keycard in order to go through security to deactivate the lockdown so he may proceed to the next sector to get to Exis Labs. This level is the first possible level to acquire a Chaingun, but it may be missed.

In-Game Information


Weapons / Items

  • Grenades
  • Machine Guns
  • Shotguns
  • Chaingun
  • Bullets (small)
  • Shells (small)
  • Clips (small)
  • Clips (large)
  • Ammo Belts
  • Medkit (small)
  • Medkit (large)
  • Armor Shards
  • Security Armor
  • Security Station Pass Key



  • Robert W. Thompson


  • Cabinet #054 - 631

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