DOOM 3 : Communications : How do I open the locked doors in Communications Lobby?
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DOOM 3 Hints
How do I open the locked doors in Communications Lobby?
1 of 3: There's a security terminal on the upper floor that you can use.
2 of 3: Unfortunately, while it can unlock the Communications door, it can't unlock the Monorail Access door.
3 of 3: You'll need to wait until you've finished all your other objectives for this level before you can go through that door.
