THE CITADEL is a hardcore, brutal old-school shooter full of action that’s a throwback to the 90’s classics that we all love. Fight through 6 Episodes of 30 action-packed levels (and an additional 6 secret levels). here is a guide for the secret levels for you.
Map list (no spoilers)
If you just want to know where the entrances are but leave the how to yourself, here are the maps:
- E1M3
- E2M4
- E3M3
- E4M4
- E5M2
- E6M1
E1M3
Press the Use key on the wall with the red banner to reveal a corridor
Once inside, press the Use key on another red banner wall.
E2M4
Double jump up there
E3M3
Another interactable red banner wall under the staircase.
E4M4
The entrance is on the other side of the building.
E5M2
The entrance is easy to spot on the map.
Destroy the wall to get there.
Destroy the wall to get there.
E6M1
