Here is a 3 minute video of two well known and old computer software technologies put together, to create something utterly simple and yet, to me, intensely charming and magical.
- Crayon Physics Deluxe.
Here is a simpler, free, prototype version of the game featured in the video, if you want to try it yourself: Linky.
The full version of the game featured in the video isn't actually finished, apparently. But you can sign up to be informed when it is: Linky.