It Came From Below/Into the Maw

In randomized segments preceding the last area:

• Slush Puppy
• Lumber
• Gorgo
• Devilite
• Silkwing
• Layoafer
• Guster
• Darkfang Mender
• Chilling Howlitzer

In the last area:

• Swarm Turret
• Void Wolver
• Void Lumber
• Void Thwacker
• Void Gel
• Void Zombie

• This floor is composed of random Cooling Chamber: Infernal Passage segments, with the last segment guaranteed to be a fight area with The Swarm.

This level's end segment can only be encountered in the 10-1 Mission: It Came From Below.

• 

  Map of the swarm fight area.

• 

  "Everyone's gone. It...it came from below."

• 

  This looks bad.

• 

  It's going to get worse.