From Master Set of WebWisdom Education and Training System: Distributed Objects and Collaboration SC97 Education Presentation and Later NSF Physics (Dec 3) -- 16 November97. byGeoffrey C. Fox
Have some fun with Multi-player games
VRML Chess
Tetris
Othello (Java)
Rubric's Cube (Java)
Should develop snakes and ladders and bunch of similar "grid" games
"Other" Applications
TANGOsim command and control system with shared tools (e.g. mapping, weather) to use in scripted crisis management