Really Bad Eggs by ant512 is a remake/re-imagining of Super Foul Egg, a freeware Commodore Amiga version of Puyo Puyo.

Changes:

– All egg colours in place;
– All bitmaps included;
– Sound effects and music;
– 2 player mode;
– Medium AI difficulty;
– Rewritten AI;
– Bugfixes and other enhancements.

http://forum.gbadev.org/viewtopic.php?t=17544