If you really want to waste some time, check out the free, networkable artillery shooter game Scorched 3D.  An update of the old Scorched Earth DOS game, this one is an excellent 3D game which offers you the ability play across a network or even on internet servers.  Buy big guns, protect yourself with shields and parachutes, and nuke your enemies off the map!

www.scorched3d.co.uk – Free download and free source code!

— Matt Ranlett