USABOX.DOC      Documentation
USABOX.EXE      Main Program
USA1.EXE        Game # 1
USA2.EXE        Game # 2
USA3.EXE        Game # 3
USA4.EXE        Game # 4
USERLIB.EXE     Microsoft Quickbasic runtime module
BRUN30.EXE      Microsoft Quickbasic runtime module