Alex released has released a new LUA game for the PSP:

How to play:

Well, it’s not terribly deep just yet. It’s essentially a little ‘Tanx’ clone, using cute 2D vector graphics – and requires two players otherwise it’s a bit dull (no AI yet). Player one uses the Dpad to move and aim the turret, and holds left trigger for power (think Worms’ Bazooka). Player two uses the face buttons on the other side, and right trigger for power. Simply try and hit each other with the shells…

http://forums.maxconsole.net/showthread.php?t=7949