- play2learn -- www.play2learn.nl
- nitrogenius -- www.serc.nl/play2learn/products/nitrogenius
- at school -- rla.oakland.edu/~ist_699
- primary games -- www.primarygames.com
- games at school -- www.freewebs.com/schoolgamemaker
- arcade -- www.educationarcade.org
- never winter -- nwn.bioware.com
