Xart released a beta version of his game Lonpos.

Release notes:

Lonpos (alternately Lon-pos or LONPOS) is a logic puzzle game in which the player must fit a fixed number of beaded game pieces of various shapes, called pentominoes, to fill a set area such as a rectangle or pyramid. Lonpos was named after its creator.

http://forums.qj.net/showthread.php?t=144822