CI is a Half-Life 2 modification that centers around the events directly after Half-Life 2 (during/after the Episodics).
Second to last floor in Nova Prospekt Zero. This is the main prison area.
Each section of the three mini-floors represents a Cell Block. Decals were placed above doors to indicate which cell block they lead to.
Most floor to floor movement is done via teleporters and stairs.
Lighting has been fixed.