Featuring characters from "An American Tail," this puzzle requires the player to remember and match identical pictures hidden beneath cards.

"Simon Says"-style game challenges the player to recall and replay the correct sequence of flashing buttons.

In this modern version of Classic Concentration, use your memory to match the hidden pairs of colorful smiley faces before time runs out.

Quick puzzle involving color-changing brains can be included as an applet on a Web page. Find out how, and check out the rules to abide by.

Play the classic game of Concentration with animated cartoon characters. Remember where you saw the character's matching tile to win the game.