I have the following options available to me:
Jet Set Willy (by WiL), Keyboard Cat (by WiL), Lemming (by WiL), Tetris (by Tangy)
I think the choices are limited by your frequency/ timing of donations.
(
drimble he'd been white, he'd been black,
Sat 15 Jan 2011, 19:39,
archived)