An Open Source portable pure Java game library with example games, Swing-based sprite animation engine, deployment framework, and firewall tunneling networking. The code is documented in the book Advanced Java Game Programming by David Wallace Croft.
jMARS is a java implementation of the famous "Core Wars" application first described by A.K. Dewdney. Using eXtreme Programming combined with Java, EJB, and the Rich Client Platform it can be used as an educational tool to understand these technologies