Oli Hinkka, well known for his Quake I and Quake II ports, has just released a port of Quake III Arena for S60 3rd Edition phones. It features support for Bluetooth keyboard / mouse support. Also unlike with previous Quake ports, with this one you can even run a server on the phone.

http://my-symbian.com/s60v3/software...Auto=561&faq=9