I just did a similar thing (see http://arduino.cc/forum/index.php/topic,77884.0.html ). You can't write entirely new algorithms, but you can adjust the parameters of whatever ones you upload while they play.
I just did a similar thing (see http://arduino.cc/forum/index.php/topic,77884.0.html ). You can't write entirely new algorithms, but you can adjust the parameters of whatever ones you upload while they play.