21st Memory Puzzle, a free online game

Instructions:
Click on any red rectangle card (see game above) to uncover picture. With each play you can only turn over two cards. If the images of the two cards match then part of the hidden image is displayed.
Rules: Goal is to match all images. Matching all images will uncover the hidden picture. Game has 12 matches.
About button: To return to game after clicking the about button, click on the center picture.
Start a new game: Click on New Game button starts a new game
The game displays your time working on the game.