A game, based on the idea of this board game
http://en.wikipedia.org/wiki/RoboRallyThis game is great fun. Program your robot 5 move-steps in advance to achieve the checkpoints and to disturb your enemies route.
Benefit from factory facilities like conveyor belts or destroy other bots with a laser.
I think with a few changes in rules it can become a great online bot game.
[EDIT]
Short Video how the Game looks like.
http://www.youtube.com/watch?v=8qpLEt9j0wMWith a good visualizer (lasers, bombs, emp, traps, beamer, ...) i think it could be nice looking