This is a list of websites that have learning games that are appropriate for Kindergarten age children.
http://www.learningplanet.com/act/abcorder.asp This is a train game that teaches alphabetical order.
http://teacher.scholastic.com/clifford1/flash/phonics/index.htm This is a "Clifford, the Big Red Dog" game that teaches sound matching.
http://adisney.go.com/disneychannel/playhouse/bop/bop_activities.html This site has Disney alphabet activities.
http://teacher.scholastic.com/activities/bll/leo/index.htm This site has more alphabet and learning games--this time with Leo, the Lobster.
http://pbskids.org/sesame/letter/lettergame.html This site has lots of educational games.
www.starfall.com Alphabet and reading games--lots of fun!