Part 16

After defeating the initial enemies, grab the armor, health, and assault rifle ammo from the ruined area to your right.

Return to the main building and proceed left, collecting armor and rockets from behind a wall.

Go back to the main building and enter the corridor connecting the current room to the next.

Locate and press a small switch across from the minigun bullets to deploy a secret cannon.

Shoot the crate on top of the roof to release the secret cannon and pick it up (5/5).

With the cannon, enter the next room. Collect the assault rifle ammo, shotgun shells, armor, and health ahead and to your left, and armor straight ahead.

After defeating the Kleers, use the infinitely spawning C4 crate behind you if needed.

Look left through the hole in the wall to find armor, health, and ammo, including minigun ammo. Dash to grab these items, being mindful of the nearby Adult Arachnoid, and dive into the small building.

Take the minigun and health from the small building and return to the main building.

Enter the next room and reclaim the Devastator, along with health, ammo, and armor.

Defeat the wave of Gnaars, Kamikazes, Arachnoid Hatchlings, a Scrapjack, and an Adult Arachnoid.

Head outside and use the Devastator to eliminate Adult Arachnoids and a Witch-Bride, then mop up any remaining enemies.

Collect health, armor, and ammo from the ruins to the right and proceed into the canyon.

Grab the health, armor, shotgun shells, assault rifle ammo, and rockets from the ruins at the canyon entrance.

Continue ahead; after the autosave, fight a large wave of Beheaded, using your assault rifle and backing up.

When Bulls appear, followed by Scrapjacks, switch to the minigun.

After clearing the enemies, proceed further into the canyon.

Collect shotgun shells, assault rifle ammo, minigun ammo, health, armor, and a Devastator.

After the next autosave, face a wave of Kleers, which will be joined by Major Mechs and a pair of Khnums. Use rockets, C4, or the Devastator. To make the Khnums easier, retreat into the building as they cannot fit through the door.

Once all enemies are defeated, proceed through the canyon to the door at the end.

Kill the Khnum and Harpies guarding the door and enter to complete the level.

In the next section, grab rockets, health, and assault rifle ammo to your left, and shotgun shells and health to your right.

Enter the door behind the statue and kill the Cave Demons.

Walk up to the statue to re-orient yourself.

Go through the left door on the left wall facing the statue, hit the switch, return to the main room, and kill the Kleer and Cave Demons.

Facing the statue, enter the right door on the left wall, kill the Rocketeer, and hit the second switch. Return to the main room and kill more Cave Demons.

Facing the statue, enter the right door on the right wall, kill the Beheaded Rocketeers, hit the switch, return to the main room, and kill the two Kleers.

Enter the final door (left door on the right wall) and proceed through the tunnel to the next room.

Arrive on top of a wall. To your right, a large group of Arachnoid Hatchlings will appear. Use C4 to weaken them, then use the tunnel and your assault rifle to finish them off. Do not fall off the wall.

Once the Arachnoid Hatchlings are dead, enter the next door, hop down, and take the health, armor, and rockets.

Turn right from the wall behind the health/armor/rockets and go to the switches on the wall. Hit them to open the doors behind you.

Enter the Arachnoid room and hit the switch in the middle to open the next door. Kill the two Gnaars that emerge.

In the next room, kill two Rocketeers and take the health.

Turn left and enter the stairway. Go down to the bottom level and enter the ramp.

Rush up the ramp and duck into an alcove to avoid the boulder. If you miss the alcove, you can wait it out in the stairway.

After the boulder passes, go to the top of the ramp, look left, and find secret minigun ammo (1/11) in an alcove.

Head down the ramp into the next room.

Kill a Cave Demon and a Kleer, then hit the switch in the middle of the room.

Defeat the two attacking Kleers.

Look at the rotating pillars to the left and right. Equip your coach gun, hit the switch again, and sprint up the ramp, blasting the Kleer in your path.

At the top, jump across the stone platforms to the other side.

Climb the next ramp, grab the health, and enter the daylight. A cutscene (a non-interactive cinematic the game plays automatically) will play, after which Sam heads for the Timelock.

Grab the armor and ammo in the immediate vicinity, and find the secret armor (2/11) hidden behind the trailer in the corner next to the underground exit.

Advance and defeat a small wave of Kleers.

Continue forward, grab the ammo in the next trailer, and kill the Rocketeers and Soldiers.

Go to the locked gate on the right side of the area and read the tablet on the ground in front of it.

Continue forward and use C4 to kill the Scrapjack if you haven't already.

In the corner, find health and ammo.

Continue forward and kill a couple of Arachnoid Hatchlings.

Advance to trigger an autosave, then begin fighting more Arachnoid Hatchlings and a Scrapjack. Kleers and a Witch-Bride will soon join the fight.