Tailbound: Annotated Maps
This guide was first published on Steam, but I'm the author.
Level 0 - NETCON Entrance (Tutorial)
Beware, Rykah is a herm, so if you do not like breets, that may be one you'd want to skip
Level 1 - Convention Center
The door code to Alex is 5010 or 9053. There are other codes, but these work.
You can only find 2 keys but there are 3 doors that need a key. That means the second door is mutually exclusive. You get one P-AD either way, you don't need both.
Level 2 - Basement
The thing in the top right is a steam barrier, if it's not clear. The lever from the bottom disperses it, no access from the top at first
Level 3 - Hotel
The electro-barrier at the top is dispersed by destroying the small generator in the same room, only accessible from the right. The other two are dispersed by destroying the main generator