The most fun web stuff - funny, useless, creative, awesome...

Post the best interactive websites and flash / sandbox content you've seen and which fit into this thread's title / description. I think it would be cool to make one quality collection.

Here are some I've collected so far:

video 1 - Top 12 Fun Interactive Websites - cool, funny, useless, creative

video 2 - Top 12 Fun / Cool Web Stuff - flash, sandbox, 2d, 3d

list 1:

1. Draw a Stickman - http://www.drawastickman.com
2. The Useless Website - http://www.theuselessweb.com
- heeeeeeeeey! - http://heeeeeeeey.com/
- rrr ggg bbb - http://www.rrrgggbbb.com/
- geodu - http://geodu.de/
- falling falling - http://www.fallingfalling.com/
3. HackerTyper Neo - http://fediafedia.com/neo/
4. Cookie Clicker - http://orteil.dashnet.org/cookieclicker/
5. Windows Update Prank - http://fediafedia.com/prank/
6. Burner - http://clickerleagues.neocities.org/burner.html
7. Paper Toilet - http://www.papertoilet.com/
8. Nic Cage head - http://adamusprime.tumblr.com/niccagehead
9. Direnduvar - http://direnduvar.com/#x=-12&y=-151&z=4
10. Make everything OK - http://make-everything-ok.com/
11. Why is the sky blue? - http://halftone.co/projects/why-is-the-sky-blue/
12. Doge - http://dutnall.co.uk/

list 2:

1. Scale Of The Universe 2012 - http://www.digyourowngrave.com/scale-of-the-universe-2012/
2. Incredibox V3 - http://www.incredibox.com/v3/#
3. Solar System Scope - http://www.solarsystemscope.com/
4. Silk - Interactive Generative Art - http://weavesilk.com/
5. Imagination - http://neave.com/imagination/
6. Crazy Rabbit - http://andrius.esu.lt/10/go2.htm
7. BallDroppings - http://balldroppings.com/js/
8. Touch Effects - http://ie.microsoft.com/testdrive/Graphics/TouchEffects/
9. Text Particles - http://william.hoza.us/text/?t=Chrome
10. Dactyl Fractal Zoom - http://zapatopi.net/dactylfractal/
11. Tetka - http://www.planetdan.net/pics/misc/tetka.html
12. Sticky Thing - http://www.spielzeugz.de/html5/sticky-thing/