Discs of Tron

Published in CPU (Computer Programmiert zur Unterhaltung) 1984/06. You play as the yellow Tron Player and compete against the opponent by the name of Zark. Your player is on the front disk and your opponent is on the back disk. Hit Zark with the disk and knock him off to win, Zark will be trying to push you off as well, so keep alert and moving around.