A short guide with screenshots to show where to find the secret levels in the new Call of the Machine episode pack
Operation Corpse Run
In the A Grave for the Dead Gods map go through until you reach this conveyor section with boxes, and you can see the secret exit here:
You can get here by carrying on to the end of the room and jumping up on the boxes here:
You can then jump from box to box until you reach the secret exit, shoot it to open:
You’ll then reach The Casali Effect
Operation Laser Eyes
I can’t find a secret exit here…if anyone finds one let me know!
Operation Ruined Earth
Continue through the Strogg Mining Intake Earth map. After you stop the drills and leave the Strogg ship you’ll swim through some pipes and end up in this room:
If you shoot the poor repair job on the wall you can break it open for a secret:
Follow the armor shards straight ahead to get to a pipe that opens:
Go through to reach Pumping Station III
Operation Wasteland
Play through the map Heavy Water until you reach the room that looks like this:
You’ll notice the secret exit behind the stairs, to get here you need to jump up the crates on the left hand side and push the switch to open a hidden door:
This opens the door on the left of the stairs:
Which lets you access the secret panel, shoot it to open:
After going through you’ll reach McGee Station
Operation Firewall
In the map Strogg Flesh Labs near the beginning you’ll find this room with blue lasers:
After switching off the laser grid you’ll need to climb this ladder to progress:
If you look behind you back towards where you first entered the room you’ll see the secret entrance along some pipes:
Shoot the panel to open and go through to find Baklava
Operation Darkest Depths
Play through the Too Greedy map until you reach this room with the hyperblaster, with an elevator that comes down:
Just ride this elevator up and keep looking at the wall to find this secret entrance. Shoot the panel again to open:
Enter the secret entrance to find Turbina
