Lead our hero into the underground of the old space station to blow up the whole complex and wipe out its evil inhabitants.

But beware, the environment is dangerous. 

Avoid coming into contact with the enemies, and avoid falling into the lava or radioactive waste pits.

To successfully complete the mission you must obtain the 10 explosives that are scattered around the station, and place them in the explosives depot, deep inside the Martian base.

Once deposited, you must return to the control centre and activate the detonator.

Occasionally you will have to access locked areas with access cards, so you must first locate these cards to continue your mission.

You have the option of firing plasma bullets at your enemies, but be careful not to waste ammunition, which is in short supply.

There are reloads scattered throughout the complex. Save some ammunition for the way back.

Oxygen is in very short supply. 

Keep an eye on your oxygen tanks and find new ones before they run out or you will die instantly.

Reserve some oxygen for the return trip.

ENEMIES

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INFECTED: Previous companions who attempted the mission and failed.

The bite of the arachnoviruses keeps them in an undead state.

They move in a linear fashion and can be very fast, eliminate them before they infect you.

ARACNOVIRUS: Erratic and fast moving.

They usually move through the air. They are the most numerous aliens that have colonised the base.

PELUSOID: They are very intelligent. They can lie low and wait for your arrival.

If they see or hear you, they will pounce on you. 

In that case, finish them off as quickly as possible. 

It is best to keep your distance.