Online Level Editor.

Have a look at Level Editor 2.

Level Editor which was released on 10 November 2009 is an interesting puzzle game that invites players to solve challenges by rearranging the surroundings. The game integrates platforming with puzzle solving allowing players to use different items to build a route for a stick figure to find its way to the exit. The Players control movement using the arrow keys and use the mouse to position objects strategically. Its engaging puzzles and interactive design has earned it a positive response from the gaming community.