Get off of the sled and proceed to the tower. Check behind the hut to the right to find the Relic Boomshot. Go to the entrance to find a note. The entrance is locked, then you should turn sideways, exit the substation and continue on foot along the road side. Past the crows and go to the inside of the slot. Continue until you find the Swarm guarding a puddle turned to ice. You can throw a grenade to break the ice and to throw the enemies at the bottom. Kill the remaining enemies and proceed. From now on, you'll have to continue making you way killing the enemies. You are coming up to a ledge where you will be relieved from The. You have a vision, then you'll climb onto your partner and you can continue.
Searched the area until you get to the frozen lake, with many enemies and an enemy protected by a barrier. Kill all the enemies by exploiting the ice of the lake, and the drone that makes the work barrier. Once you've killed the drone sarù the time to kill the monster with the machine gun and the robot support. Continue on your path up on the trunk where there was the monster with the barrier, pick up the machine gun and you will find the entrance to a cave. Revenue and kill quickly, the guardian as they will be supported shortly by the other enemies the child. Out of the cave to reach an abandoned village full of robot inactive. Kill them stealthily to avoid clashes.
You find a door with the orange, and open it with the help of your partner. Do turn on the system by Jack and try to find the source of the signal. To do this, move the cursor along the map until you reach a signal of 100%. Then you have to decrypt it by pressing when the paddles turn green. Not all the signals will be good, you'll have to find the right one. The right signal is located to the south-east of the map. Do open the lock of the door to the Jack and continue to find in the next room, an upgrade for Jack. Used in the next room, the upgrade of concealment in order to overcome the turrets without problems. Now go back to the slide, by the way by killing enemies.
The point of the Crash of the Condor: Stop with the sled, walk, and passed along the slit. You will be attacked by robot allies, probably fail to recognize as such. Destroy them, you'll have to destroy a robot machine gun rather difficult. Finally, you have to check with the boss helicopter. One shot to the engines and will be destroyed. Go towards the opening that was formed from the crash and then open the safe from Jack. Will you complete the mission, improving the Stim Jack. Back on the sled.
The old Site Derrick: come on in the last site of the Derrick near the point of the crash of the Condor. Climb up the ladder, and inspect the panel yellow. Before you do that you'll get attacked by the swarm. Once killed, inspected the panel, yellow for the last part of the upgrade to the Flash Jack. Go back to the slide.
The point of the Crash of the Condor 2: another point of crash, which will be at the center of the map along the road towards the tower of the south-east. You will find yourself in front of an arena spacious where you will be first attacked by many robots and then by the two colonies to swarm. Once you overcome these enemies to continue, and unlocked the safe at the end of the path to get a new enhancement. Head back now to the slide.
Substation East: Stop at the substation, the east, near the point marked by the star, open the door and enter it. You will find the body of Lena froze, and the notes of the access codes. Go back to the slide and move to the substation north.
Substation North: come back to the substation north and you can open the portal locked. Revenue and you will find the brother of Lena transformed into a Swarm, you'll have to kill him. You open the safe Jack to get an upgrade. Go back to the slide.