Sorry, guys, Apparently I skipped this list of DONGs and didn't notice, but here they are!
1. Band Name Maker: http://www.bandnamemaker.com/
"Place a word you would like in the name of the band and look for suggestions."
2. World's Largest Photo: http://btlondon2012.co.uk/pano.html
"This image of London is the largest panoramic photo ever taken."
3. 100,000 Stars: http://workshop.chromeexperiments.com/stars/
"You can learn about distant stars, really beautiful."
4. Perspective: http://www.newgrounds.com/portal/view/598630
"You're a dog that has to follow your master through different challenges."
5. Sploder: http://www.sploder.com/
"Create your own game, choose what kind of game you want and add your assets."
6. Sad Violin: http://sadviolin.com/
"Sad? :( ."
7. They Will Eat You: http://www.theywilleatyou.com/
"A Zombie game that will have you running through the woods to avoid Zombies."
8. NASA: Prospect: http://nasaprospect.com/
WAS UNAVAILABLE WHEN I TRIED
9. 400 Years: http://armorgames.com/play/14662/400-years
"You Only have 400 years to stop a disaster, if you need to cross a body of water you'd need to wait for the winter."
10. Jukebox Time Machine: http://upchucky.us/TimeMachine.html
"Play the best tunes of different years."
11. Bomb Sight: http://www.bombsight.org/#17/51.50967/-0.09023
"Maps all of the bombs dropped in london during the Bomb Blitz in WWII."
12. Human Migration: http://peoplemov.in/
"This interactive infographic gives a really cool snapshot of where people immigrate from and emigrate to."
13. Shark Tracker: http://www.ocearch.org/
"You can even read the bios of these aquatic "death" machines."
14. Atum: http://atumgame.com/
"Pretty cool, items in the real world are used to interact with the game world."
15. The Nicest Place on the Internet: http://thenicestplaceontheinter.net/
"This was already covered in "How secure is your password" but it's good to feel loved. :)."
16. Ok, one more: http://iwantmoar.com/3663
"Gif 1 recommended by Jake."
17. MeowTwo: http://macromeme.com/cat/pokemon-cat-gif.gif
"A cat dressing of a lot of pokemons."
18. Want to file a complaint?: http://www.pakin.org/complaint/
"Upset with someone and don't want to think? this website will help you just with that."
19. Illegal Operation: http://sarmaibalazs.deviantart.com/art/Interactive-Portal-Turret-345048759
"Really cool interactive Aperture Science Sentry Turret, detects your movements using your camera."
20. More: http://iwantmoar.com/64
"Gif 2 recommended by Jake."
21. I Like Pi: http://www.angio.net/pi/bigpi.cgi
"Find any digit you'd like inside pi."
22. Make It So: http://picard.ytmnd.com/
"Captain Picard's song?"
23. Uhhhh: http://www.wdlnd.com/testxx/
"Well... you have to see it, actually don't, don't see it."
24. Plants + LSD = This Game: http://botanicula.net/
"Weird point and click that follow the adventure of 5 botanical creatures"
25. Noooooo: http://nooooooooooooooo.com/
"Already covered in "What's a DONG?"."
26. Pulp Comic Generator: http://thrilling-tales.webomator.com/derange-o-lab/pulp-o-mizer/pulp-o-mizer.html
"Create cool "old" comic designs."
27. You need to cheat at Sudoku? Really?: http://www.sudoku.name/sudoku-solver/en