The canteen 
The canteen has no special function yet, it only grants access to the ventilation shaft system, you simply have to move a chair to get access.
ventilation shafts 
By using the ventilation shafts, the prisoners can move through the main part without having to fear to meet angry guards shooting them. The distances in the ventilation shafts match with the actual distances between the exits at the main part, so with some sense of direction you can easily move around. Some entrances have to be unlocked from inside (or outside from places where you can not easily get to) though, so you will have to work to get maximum access to all the prison locations.
The space ship hangar 
The space ship hangar contains a special pilot gear needed to control the escape-space ship, it can only be taken by prisoners though. Right im using the super armor drop image from your weapons folder so you'll just see... a super armor, I will add an own image with a later version.
"The tunnel 
"The tunnel" simply connects the outpost with the main part. Closed by a big gate at round start, you can either open it by using the tank in front or (in case you're a CT) by pressing the opening button. Both tank and button can be used infinite times.
Deathcell 
Deathcell is a simple deathcell, killing the ones inside by taking away the air needed to breath and stay alive. With 100 health you will survive the torture process 2 times tough, the 3rd will kill you. There is also a second deathroom which is easier and faster to use in case you want to get rid of a prisoner, you will find it fast if you just download the map and fucking test it before rating.
Interrogation room 
... nothing special at all, just one awesome light effect and a micro that looks a bit like a penis. I'll change the sprite with a later version probably.
5-7-shooting contest 
A simple contest where you can test the prisoner's aiming skills. There are seven targets activated randomly, the player has to shoot one to activate the next. After seven seconds you will get a grade (D - worst; A - best), depending on how many targets you hit within the seven seconds. There are also two npc battles which can be activated infinite times to grant infinite fun. There is a secret door which grants access to server room.
server room 
The server room is mainly needed to open the second bomb spot at the outpost but it also grants wider access to the ventilation shaft system by allowing the opening of a new entrance.
Escape space ship dock 
There is a big space ship near the server room, it can be used by prisoners to escape from the prison. Takes its time to collect the stuff neccessary to start the flight though.
research area 
The research area is located close to the death cell, contains a laser, a secret molotov with a long spawn delay after being triggered and a p-gun which spawns after 4 minutes. The p gun can be used only in the main part, you can not use it outside the prison and you can not create portals on the "outside mars floor" tiles. So you can not teleport to hidden places or something, neither can you lock someone with the p gun. Also does not work in the ventilation shafts. You will still be able to make use of it though. There also is a trigger which destroys the turrets at the CT spawns which allows prisoners to enter that area freely.
innovative "hot" system 
You might have noticed that there is no actual healing room. Instead there is a "hot" (healing over time) -system, which heals 15 hp every minute. The hot system only heals inside the prison main part, every other prison parts have no access to healing stations. There are also treadmills at three different locations on the map, if you run long enough they will spawn bandages. They are not meant to be healing stations though, so it takes long until the bandages will spawn. The third way to heal are the healing cabins located at the research area, they heal 100 health with some awesome special effects; can be opened by CTs only. Means: prisoners can not freely heal whenever they want to, so incase you are doing an escape you have to be careful with your hp.