Sean Huxter has released geoGlyph, match-three-symbols game for GEOS (64 and 128) that runs as a Desk Accessory in 40-column color mode. It is a feature-rich game, including a timed and a No-Pressure game with a number of options allowing you to customize your play experience. It will save games and high score on quitting.
To download, go to
http://www.huxter.org/geoglyph
geoGlyph is free to distribute. The .d64 disk image also contains other games Sean wrote back in the late 80s and early 90s including geoMimic, HAZARD and geoComix.
Truly,