Over the past few months I've come across 2 non-official gba game releases and I was wondering if there were any more. By non-official, I mean that there was no retail release. The two that I have are:

1. Another World
2. NiGHTS Score Attack (found on a torrent, haven't played it yet, but is supposed to be NiGHTs Into Dreams mini game from the Gamecube version of PSO).

You don't need to provide a download location or anything, I am not looking for retail gba roms, only ones that I can't purchase (or if there's a small developer that sells his roms that would be cool tool). I'm just wondering what else is out there. I suppose any homebrew games would qualify too.

Nate