One of my favorite children's book illustrators, Jan Brett, has a wonderful website that offers educational games.  Check them out the links below:

On Screen Computer Games

~ Interactive Coloring Pages
http://www.janbrett.com/coloring_aplet_new/Color.html

~ Hedgie's Alphabet Game
http://www.janbrett.com/games/hedgies_alphabet_game/intro.html

~ Mouse Concentration
http://janbrett.com/piggybacks/mouse_concentration.htm

~ Hedgie Scrambler Game
http://janbrett.com/games/hedgie_and_henny_puzzle.htm

~ Is Hedgie the Most Handsome Animal in the Forest Game?
http://www.janbrett.com/hedgies_the_best.htm

~ Hedgie's Book a Matic
http://janbrett.com/bookamatic/hedgies_book_a_matic.htm

~ Decorate a Jan Brett Gingerbread House
http://www.janbrett.com/trim_a_jan_brett_gingerbread_baby_house.htm

~ Hedgie Loves to Read
http://janbrett.com/hltr/hltr_main.htm

Printable Games

~ Flash Card Sight Words
http://janbrett.com/games/flash_card_dolch_word_list_main.htm

~ Flash Card Colors
http://janbrett.com/games/colors_main.htm

~ Flash Card Shapes
http://janbrett.com/games/geometric_shapes_main.htm

~ Flash Card Phonograpms
http://janbrett.com/phonograms/phonogram_fc_main.htm

~ Addition Flash Cards
http://janbrett.com/games/addition_flash_cards_main.htm

~ Subtraction Flash Cards
http://janbrett.com/games/subtraction_flash_cards_main.htm

~ Multiplication Flash Cards
http://janbrett.com/games/multiplication_flash_cards_main.htm

~ Division Flash Cards
http://janbrett.com/games/division_flash_cards_main.htm

~ Matching Numbers Game
http://janbrett.com/games/matching_numbers_game_main_page.htm

~ Matching Animals Game
http://janbrett.com/games/matching_animals_game_main.htm

~ Gingerbread Baby Board Game
http://janbrett.com/games/gingerbread_baby_board_game.htm