Stdin/out is used to transfer information from/to the simulator, so any language is possible. The list of languages they support is here: http://aichallenge.org

Stdin/out is used to transfer information from/to the simulator, so any language is possible. The list of languages they support is here: http://aichallenge.org/starter_packages.php http://aichallenge.org/starter_packages.php You can also ask the contest organizers to add a compiler/interpreter if anything is missing.