Go to the wall opposite the Registration Building at
street level before going into the UNN building. Locate for the
short ledge to the right. Walk up to it, hold [Space] and
walk forward. Look at the basketball located there, and right
click to take it. After reaching the gym on the recreation deck
(where first rumbler is fought), right click on the basketball
to shoot. Keep trying until sinking a basket to view a hidden
message.