Spoiler 
1. Cell Blocks (A, B, C) + Solitary cells
2. A gym with an usable boxing ring (Spawns a zombie with 400hp (Boxer) )
3. Showers
4. Canteen with a kitchen and serving area
5. CT offices with two questioning rooms
6. CT extra room (Light armor, awp, aug, XM 1x)
7. Front Yard with the escape tunnel (For TT's)
8. Storage room with two trucks (And a secret)
9. Secret murder room
10. Shooting range
11. Sewers with two usable boilers for use (TT's)
12. Vents for easier accesability (TT's and CT's)
13. School
14. Two arenas (M3 and M4) with bandage dispenser outside
15. Execution rooms and seats
16. Crafting area (Wrench room)
17. Working area (Stones)
18. Back yard with docks, 17. and 16. and access to the police helicopter
19. Police helicopter (Bombspot for TT's), accessable from sewers or back yard.
20. Boat on the docks (TT escape)
21. Medical room
22. Disco
Spoiler 
1. A secret island with AWP, light armor and machete.
2. A boat to access different parts of the lake
3. Free Day function (DM it out sometimes, why not?)
4. Fixed visual bugs and teleporter locations
5. Added a new part to the back yard to give access to heli for CT's.
6. Changed boiler #2's platforming section
7. Changed the way special armory gets triggered