Finally, in the lower left corner of the screen there is a timer (Mission Time).

Run forward and then immediately to the right.

Here, hold the sprint button until you could jump over the gap.

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Shoot it with electrical charge and retreat turning left at the same time (keep the retreat button).

Hold the sprint button and run into the oval tunnel.

Of course, you also have to do it quickly and not get blocked even once.

PC

Go between the grates (don’t go on any of them, because you’ll get stuck!)

and then go diagonally to the right.

After you enter the ventilation shaft go down its side to the ceiling(first picture above).

PC

While continuing to run as fast as possible get to the room with red and blue pipes.

However, you do not have the time to walk sideways.

It will save you a lot of time.

PC

Go up them, turn around to the right, jump into the next shaft and go forward.

Use the electric charge on the grate and fall down on the man.

If there wasn’t any, start the mission from the beginning.

PC

All the time, slowly, you will be moving left - keep that in mind when aiming.

The enemies will be positioned more or less in the same way each time.

make a run at shoot at least in two heads.

PC

If you get hit, you’ll lose precious time.

After shooting the enemy, venture to also kill the one standing on the left(picture above).

Again, choose the one crouching on the left as your target.

PlayStation

Eventually, you’ll get to the room on the left.

Go inside(picture above)and look at the word Access on the left.

Move closer and press the use button.

Xbox

The first pair of enemies will appear exactly behind it.

But do not worry about it - there will soon be a second chance.

Keep looking out for the message about passing the challenge.

Nintendo

Of course, the challenge can be combined with the one below.

Kill the enemies downstairs.

New ones will be appearing in the place of the killed ones endlessly(picture above).

Call of Duty: Black Ops II

It’s easiest to pass the challenge in this place.

You will equip your character with combatant suppression knuckles, which are necessary to pass the challenge.

Now you must simply find and incapacitate 20 enemies in melee.

Of course, it is best to do that on Recruit level.

Having done that, you and Salazar should kick off the big door.

Finish the challenge outside - there’s virtually no limit to the number of enemies there.

Pay special attention to the interior of the buildings, balconies, etc.

(picture above).

Beat the enemies until you pass the challenge.

It can be combined with the one above, of course.

Before you walk up to him, fire up the door with a word Access(picture above).

After a while the ASD will start to fight on your side.

You do not have to worry about it - opponents have no chance of destroying it.

Collect it all to pass the challenge.

100% survivability rating

In this respect, it will not be a difficult mission.

Enemies use only flash-bang grenades, which can’t kill you.

While they will be shooting at you, one of them can run up and hit you.

In such case it is easiest to die.

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