The first one is a cool pattern that if you cange the code a bit can become very crazy. The second is a cat that runs away from your mouse and you have to click him as he dissapears into the backround but comes back when you dont click him.
To start the game press the green flag, to stop the program press the red dot.
Those are some my creations in Snap
The link back to the origional site Banana Nation http://bstarsh.neocities.org/index.html