Kara (http://www.swisseduc.ch/compscience/karatojava/kara/ http://www.swisseduc.ch/compscience/karatojava/kara/) is an excellent and fun game to learn finite st

Kara (http://www.swisseduc.ch/compscience/karatojava/kara/ http://www.swisseduc.ch/compscience/karatojava/kara/) is an excellent and fun game to learn finite state machines. Also, there are variants to learn Java and concurrency.