here is a screenshot of a project ive been working on.
It allows you to create games by simply dragging and dropping things into place.
The player and sounds are added automatically.
Thanks to Deadeye for his superb Platform School tutorial
download (2d game)
download (waterwipeout game) http://dl.dropbox.com/u/10216310/waterwipeout%20game.rar
(make sure you add items on the main level)
The player controlls are the left \ right arrows, and 'z' to jump.
Take a look at the object list that comes with the download.
I am putting together a help section for this app, but feel free to play about with it.