The Blue Keycard is an item found in tier 1 monuments except for the Dome. This means that you can find one in these monuments: Sewer Branch, Satellite Dish and Harbor. You can also buy 1 blue keycard from the Outpost for 100 Scrap. Additionally, you can
The red keycard here is locked behind a blue puzzle, requiring 1 fuse and a blue card. Using the train station as a reference, you want to follow the road to this red building in the middle; once you arrive, hold ‘use’ on the wheel here to open the door and quickly run inside....