Examine the crashed spacecraft and pick up the "first aid", "navigator" and "laser gun" from it. Go right and get rid of three aliens. Talk with the wounded alien. Use "first aid" on the alien and you'll get a "laser cutter"). Return to the spacecraft, and then proceed up to the river. Kill another three aliens.

Head up along side the river until you reach the waterfall, killing two aliens by the time you arrive. Pick up the "pickaxe" from the floor, that the alien, who escaped by teleportation has left behind. Go right then down, get rid of the aliens, then proceed right to the next zone. Proceed right then go down. You'll come to the spacecraft. Talk to the guy who works there. Exchange the "navigator" for a "supply card".

Go back to the last place where you've killed three aliens. Enter the river and swim across to the other side. Get rid of two aliens, then proceed up to the next zone. Go up to the mining place, that's protected with an electric fence. Collect the red "minerals" from the boxes on the left side. Go left to the generator.

Throw the red "minerals" into the hole on the generator. Kill the two people who attack you. Return to the mining place and kill the three aliens. Enter the mining place and talk to the people inside, where you'll get a "book" and an "ID card". Go left to the generator, then up and try to open buildings door with the "supply card". Go back to the mining place and talk to the human who sent you for help and you'll get a "door card". Return to the door and open it with the "door card" and enter.

Recharge your shield on the recharger. You should come here to recharge your shield if you run out of or low on shield strength. Go back to and swim across the river, then go up to the waterfall. Enter the cave under the waterfall. Go up and kill four aliens. Turn left at the second turning. Proceed until you get to the power supply unit and get rid of the aliens. Cut the wire on the power supply unit with the "laser cutter". Go back then down and turn left. Kill the guard alien and cut the wire on the second power supply.

Talk to the alien (Harrawie) you've saved. Then follow him out of cave. Follow him again to the next zone. Kill the two aliens, then talk to Harrawie. Get rid of the incoming aliens. Talk again to the Harrawie. Pick up the "metal stick" he drops when he teleports himself. Get rid of the aliens. Examine the bushes on the other side of the muddy water then shoot them down. Use the "metal stick" to open the door to the hidden place. Search around and you'll find an "empty box" and an "empty can".

Return to the place where you first entered the river killed the three aliens. Fill up the "empty can" with water there. Go up to the cave. Proceed up as far as you can then turn left. Proceed left then down to the fire.

Examine the fire, then use "full can" on it. Proceed left and get rid of the aliens. Search around and you'll find some "gun powder". Pick it up with the "empty box". Find the detonator and make a "bomb" by combining it with the "gun powder". Go back to the river, swim to the other side, then proceed to the room with recharger.

Examine the terminal. Come from the upper side of the desk and talk with the guy sitting in the chair. Examine the upper door. Again talk to the guy. Give him the ID card. Recharge your shield and enter the military complex via the upper door. Go right and check the door on the bottom wall several times. Go up and enter the building.

Go to the room on the left and give a "book" to the guy sitting at the bar. You'll get the "locker card". Go into the upper room and use the "locker card" on the left locker along the upper wall. You'll get the "officer's uniform". Exit the building and head to the door in the bottom wall. Enter the training camp.

Go down and pick up the "empty shell" near the weapon (there're several guys working on it). Go right and enter the depot room. Talk to the guy working inside. Exchange the uniform for a "gas mask". Pick up the "full bottle" from the boxes on the right. Give the "full bottle" to the drunken man, who's sitting and drinking on the floor. Exit the depot room, then exit the training camp.

Go left then up to the building with ventilation. Examine the terminal closest to the building and attached to the wall. Doing so will open a door. Go left into the next zone. Get rid of all humans inside this zone. There's a place where you can fill the "empty shell" . (You'll get "full shell") inside the lower left area of the zone. Go back to the building with ventilation and use the "full shell" on the ventilation opening. Wait a while and the door will open. Kill all the guys you encounter before they attack you.

Use the "gas mask" to enter the building. Examine the bodies on the floor. Use the teleport to get to the bottom floor. Examine the terminals. Pick up the "acid" and "pills" from the opened containers. Teleport back up and exit the building. Go to the recharger and recharge your shield.

Go to the depot room and give the "pills" to the drunken man. Show him the "supply card" or any other card you have. Follow him outside of the depot, outside the training camp, and continue to follow him after he enters the third building. Pick up the "priority card" he puts on the desk. Give him the "supply card" and exit from the building. You'll be captured (and get to watch the animation).

Use the "acid" on the panel in the upper right corner of the room inside the jail. Enter the reactor through the opening. Walk left and wait at the first crossroad for the electricity to get up to there. Follow it and wait at the crossroad for the electricity to pass on the right (watch the up and down electricity). Go left, then up, after the electricity passes up or down. Go left to the next zone. Go left, then down until you arrive at the crossroad. Wait for the electricity to go left. Follow it, then proceed left until the second crossroad. Wait for the electricity to go up, then go up right after it. Turn right as soon as you can then proceed right to the next zone.

Wait for the electricity to pass the first crossroad, then proceed right. Then go up and continue up to when there's no electricity, and you'll reach the wall. Examine the wall. Use the pickaxe on the wall. Examine the canyon edges. Jump into the river. You'll come out in the river near the waterfall. Exit the river and go to the crashed spacecraft. Pick up the "small gun". Go up then right to the place where the guy was fixing the spacecraft (12.) Go down to the building wall and use the "bomb" on the entrance. Pick up the "shrapnel" from the floor. Enter the building. Kill the guy, who works on the terminal. Take the laser gun from his hand. Examine the terminal, which'll activate the teleport.

Refuel your weapon from the locker on the left wall above the teleport. Use the teleport. Get rid of the guy behind the terminal, then wait for the other guy to return via teleport. Get rid of him too. Go left and enter the small room on the left. Pick up the "screwdriver" from the desk. Return to the terminal under the teleport and activate the teleport. Go to the room on the right and use the "screwdriver" to open the entrance to the sewers, which is at the top left part of the room. Enter the sewers.

When you enter through the air conditioning duct you are at position S on the Level 1 Map. Go to position 1 on the Level 1 Map and pull the plug. Return to the room where you started and go left to position 2 on the Level 1 Map and pull the plug. Proceed through position C1 in zone C on the Level 1 Map. Now you are at position C1 on the Level 3 Map. Go left and turn down at the first curve. Proceed left, then turn back up, and proceed left to position 3 on the Level 3 Map and pull the plug. Return to position C1 on the Level 3 Map the same way you came and proceed back to zone A.

Now you are again in position C1 on the Level 1 Map. Proceed left from there and return to position 1 on the Level 1 Map the same way you came here. Pull the plug. Go down and turn left at the second curve. Go left then up as much as you can, then again left to position B1 on the Level 1 Map. Enter zone B. Now you are at position B1 on the Level 2 Map. Go left, then turn down, then again left, and proceed left to position 4 on the Level 2 Map. Pull the plug.

Go up to the position 5 on the Level 2 Map. Pull the plug. Return the same way to the position B1 on the Level 2 Map. Return to zone A. Now you are again at the position B1 on the Level 1 Map. Go right as much as you can, then turn down and turn left at the first curve. Go to position C2 on the Level 1 Map. Enter zone C. Now you're at position C2 on the Level 3 Map.

Go left then down and pull the plug on position 6 on the Level 3 Map. Go back up then left then turn up and pull the plug at position 7 on the left machine on the Level 3 Map. Go back into the room at position 6 on the Level 3 Map then proceed left to position 8 on the Level 3 Map. Pull the plug. Now return to position 7 on the Level 3 Map the same way you came in and again pull the same plug. Now go down and turn left at the first curve and proceed left. Turn down at the second curve and go to position 9 on the Level 3 Map. Pull the plug. Go up to position E on the Level 3 Map and use the screwdriver. Enter the hole.

Pick up the "crowbar" from the box on the floor. Open the door and go to the teleport. Use the teleport. Go down to the big door and examine it. Open the door with the "crowbar". Enter the research complex. Go down then left. Kill the guy, who stays in front of the building, playing games. Pick up the "locker card", that he drops. Go right and enter the central building. Examine the terminal on the right wall. Go to the bottom room and open the locker on the upper wall with the "locker card" you've just picked up. Take the "ID card" and "lamp" from the locker. Go to the left room and clean your body with the cleaner on the upper wall.

Go quickly to the building, where you've killed the guy and taken his ID card. Use the "ID card" to open the door and enter. Go down. If the door doesn't open, return to the cleaner and then rapidly return before you contaminate yourself again. Go down through the door. Talk with the guy working at the terminal. Kill all, who're inside that room. Pick up the "door card" from the floor, that the guy you were talking to has dropped. Pick up the "hand scanner" and "empty syringe" from the desks in the center of the room.

Work on the terminal on the right side of the frozen alien. Use the "hand scanner" to examine the alien body on the desk. Go left to the next room. Go down to the door. Use the "door card" to open the door. Enter the room. Kill the guy inside that room. Examine the desk he was working on. Fill the "empty syringe" with trimmin serum (the one on the right side), and you'll get a "full syringe".

Go back to the room with the two aliens and use the "full syringe" on one of them. Go back to the serum room and again fill the "empty syringe" with the same serum. Return to the room with the remaining alien and use the "full syringe" on him. Talk with him and he'll give you the "bracelet".

Go to the room on the left and work at the big terminal at the top left. Go down to the serum room. Examine the floor under the box you just lifted up. Use the "lamp" to see what's inside. Go to the desk and fill the "empty syringe" with the serum on the left side to make it a "full syringe"). Examine the dead guy's body and you'll get his "ID card". Exit the building and go right to the building on the right side of research complex.

Use the "ID card" to enter the building. Use the last "ID card" you've collected on the terminal above to open the central door. Enter the room on the right and kill everybody inside. Sit at the terminal and examine it. Go through the lower door on the right side of the room. Get the "cable" from the locker. Reload your weapon from the other locker. Return to the previous room and use the cable on the upper door on the same wall. Use the "shrapnel" on the cable to block the lower door and open the upper one. Enter the upper room. Kill the blue guy and talk to the other one, that working at the terminal. Use the "full syringe" on him. Open the locker and collect the "control box". Go away and when he attacks you, kill him and get the "priority card" from his pocket. Exit the building and go to the underground complex (105).

Go to the right room and open the door with the "priority card". Go up through the door and open the other door with the other "priority card". Go up to the next room and talk to the guy sitting in the chair and working at the terminal. Kill him when he attacks you. Examine the terminal on the right side of the room, then use the teleport. Kill everyone in this room then go to the recharger. Collect the "power gun" from the locker and the "hologram". Examine the upper terminals on the chair and on the right side of the chair. Exit the room through the door.

Kill everybody around. Then go right to the next zone. Kill everybody there too. Return to the room with the recharger and recharge your shield. Go outside and proceed up between the mountain walls to the next zone. This part of the game will play out automatically, so all you need to do is to follow the story.

Now you are in the cave with two barriers and a guard in front of them. Collect the "bomb" from the locker on the bottom wall, then go right and exit from cave. Look up if you like, then go down to the next zone, and then right to next zone. Place the "bomb" on the door on the right and enter the building. Go right and kill everybody in this room. Sit down on both terminals to open two doors. Go down to the next room. Proceed down and kill everybody in the corridor. Proceed down through the door to the next room. Kill everybody inside. Use the recharger and examine the lockers to reload your weapon. Go back to the room with the two terminals.

Proceed up through door to the next room. Kill everybody in this corridor. Go to the top right edge of this corridor slaying everybody along the way. Now is a good time to go back and recharge your shield if you need to. Enter through the door on the right side. Kill everybody in this room. Activate the teleport from the terminal on the right side of the room. Examine the dead bodies and you'll find a "lift card". Go carefully back to the room with terminals.

Proceed down to the room with the recharger and recharge your shield and refuel your weapon from the lockers. Exit the room and go right, then up and again right. Enter the room on the right side and kill everybody inside. Sit on the chair in front of the terminal to open the door. Exit the room through the same door you came in. Go left and then down. Enter through the door on the right side. Kill the guy inside. Go to the recharger room if you do not have a full shield and full weapon, then return.

Use the list card on the left teleport. Kill everybody inside this room. Then open the door with the terminal on the right wall. Go up through the door. Kill everybody in this room. Go left to the next room. Open the door by the terminal nearest to the door. Kill everybody in this room. Then collect the "computer key" from the locker on the left. Return to the previous room. Proceed up through the door. Kill everybody in this corridor. Then go to the room on the right side of the corridor. Kill everybody in this room then open the door on the central terminal and return to the corridor.

Go up, then right and down and through the door. Kill the guy inside and then proceed right. Kill everybody there. Proceed up then either left or right, again killing everybody on your way. Carefully proceed up and stop before the stationary weapons kill you. Use the "hologram" in the corridor near the weapons (you'll see the "Use" icon on panel). Enter through the door on the upper wall. Kill everybody inside this room. Examine the terminal on the upper wall. Then use the "computer key" on it. Congratulations that's it! The rest will be played out automatically.