Level 21 is a level (out of 42) in the Plazma Burst 2 Campaign. In this level, the Marine meets up with an allied clone.


  • The beginning of the level.
  • The Clone alongside the Marine.
  • Breaking in.
  • Fighting.
  • More fighting.
  • Penetrating a wall to safely kill few CS units.
  • Cooperating with the Clone to deal maximum damage.
  • Getting inside the bunker to survive a grenade rain.
  • Killing the grenade spammer.
  • Luring some enemies outside of the small area, to kill them one-by-one.
  • Moving to the end of the level.
  • The end of the level.
  • The clone is on the top of the level, while the original remains near the start.
  • If accurate enough, you can kill the first Heavy Railgunner right from this spot.
  • He isn't able to hit you here.

After the fierce battle in Level 20, the Marine enters the right side of the base through the water passage, then he goes down from the water and take a Defibrillator, which then creates a clone of the Marine who will come out as his ally. After the clone will appear, the two Marines enter the base. The Marine is forced to clear the base and make it to the opposite end of the level with the clone still alive.

In general, this level wouldn't be too hard for as long as you wouldn't rush it.


Civil Security


Screenshot 70

A hint explaining that both Marines must be near the end to complete the level.

  • There is an unused hint near the end of the map, which is supposed to indicate that one of the playable characters has reached the end without his teammate. It reads "You can continue only with ally". However, it can only be seen if the player glitches through the final door.
  • Eric Gurt said that Civil Security forces made a visual copy of Hero's suit and put regular soldier into it. It was an attempt to trick Marine with fake teammates.
  • The clone has 600 hp no matter what battlesuit, but on impossible difficulty the lite clone has 130 hp, while the heavy clone has 150 hp.
  • If you do not have a Defibrillator by the time you start this level and pick the one on the ground up, the Clone will be using the notorious "gun_defecator". This is the only legitimate way to obtain this "weapon".
Level 21 - Full View

A full view of the level.