Wario Ware D.I.Y.  Nintendo DS

Do It Yourself - Take on the role of game designer and create your own microgames by crafting everything from artwork, animations, music and action instructions
WarioWare - D.I.Y. comes with more than 90 pre-made games to play, but players who have access to a broadband Internet connection can wirelessly download a virtually endless supply of user-generated games, or upload their own creations to share with the world
When creating games, you can utilize a library of pre-made graphics and sound samples, borrow elements from other microgames on your system, or start from scratch
Sharing new content is the real key to WarioWare - D.I.Y., and there are a number of ways for you to participate - Using a local wireless connection, friends can swap micro-games, comics and music you've created
After the game launches, Nintendo will regularly make new microgames available for download to players who have access to a broadband Internet connection