Following feedback on the map, and having walked through it again (I was not in a position that I could fix the map when it was initially released), I can agree that the map in its initial state was too small (this can be blamed on me still working in classic scale). As such, I went with the option of expansion, by means of adding in two new rooms to the map. These new chambers connect Red and Blue sides, as well as providing connections to the center room.
To accommodate the size changes,...