Developers decided to give you the chance to eliminate all enemies, which you have encountered in the game.
Stroggos will shut the door behind you and run into you from the other side.
Few perfect shots from Grenade Launcher should do the trick.
Walk trough the gate, which enemies fell into the hall ‘with’.
Turn left and use the panel (#211).
Push the button to travel down.
The Stroggos will rush into the lift through panes.
Use Shotgun to eliminate them.
When the elevator will stop, another fight awaits you.
This time you’ll face the Gladiator, Iron Maidens and Tacticals.
Kill them and move forward.
Eventually you will get to the big hall.
Quickly run ahead with only available patch and call for the elevator.
Mind Tacticals during the ride.
After the fight, move forward.
After a while You’ll reach the lift cage that will take you deep into the complex.
Wait until the door will open and start the enemies' extermination.
Walk trough the tunnels to the ladder (#215) and climb up.
Gather ammunition and move forward.
Use the elevator - you will get to the security’s room.
On the left side you’ll find the gate.
Walk through them to get to the next part of the complex.
You’ll find yourself in the big hall (#217).
The fight won’t be easy, so use Dark Matter Gun, but also save ammunition for Makron.
End battle with victory and move forward.
At the end of the route, you’ll see the ladder.
Climb the next ladder up and jump over security barriers towards the pipes on the left side.
Finally, you’ll get to the last platform with the only available door.
In the next room (#219) turn right find the ladder leading down.
If you use it, and then spin up the long tunnel, you’ll find armor.
Climb back up and encounter the last big group of monsters.
Kill them all and walk through the door.
Push the button (#220) to finish this level.
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