

Go down the hatch and grab the armor upgrade and go out the other hatch. Go outside the room and into the hallway to find a hatch. On the other side there is a room you can use the key card to enter, that is where you get access. From the yellow card door jump up the boxes and cross over. When you have the yellow key card you need to go to the security room and use it to give you access to the area. Enter for another secret.ĭoom Resource Operations Secret 3/4/5 – The next secrets need you to have the yellow key card. Hit the switch at the top and open the door down below. Use the containers that you passed to jump up to the top. If you look up you will see a platform above the door. The one on the left is the secret door we are going to open. Follow the path until you get to a cat walk that leads to two doors. Follow the path to the end and you will get the secret.ĭoom Resource Operations Secret 2 – The second secret is when you drop down the maintenance door. Doom Resource Operations Secret 1 – When you restore power to the door switch using the computer, turn around and jump up into the opening.
