Findings:

• Nodeshell Challenge
• wertperch's nodeshell challenge (document)
• Secret Santa Summer Nodeshell Challenge 2011
• RSA Secret Key Challenge
• challenge
• Pepsi Challenge
• Challenge of the Future
• Real World Road Rules Challenge
• Challenge a stupid patent
• The Saltine Challenge
• 13 challenges for the 13th generation
• University Challenge
• Agnosticism is the greatest intellectual challenge
• Christian challenge
• The Cheap Beer Challenge
• Scrapheap Challenge
• Minerva challenges Arachne
• BT Global Challenge
• Front Page Challenge
• Simon Singh's Code Book Cipher Challenge Cracked
• The challenge we face
• Reading Between the Lines: Lessons from the SDMI Challenge
• 24 challenge
• Daz Doorstep Challenge
• voluntary challenges in Nethack and Slash'Em
• The Great E2 Fin de Siecle Fiction Challenge
• European Soccer Challenge
• The 2-sentence Fin de Siecle Fiction Challenge Entry
• Learning Machine Challenge
• The 1-sentence Fin de Siecle Fiction Challenge Entry
• Fiction challenge results
• Challenge of Nexar
• Triangle Challenge
• Triangle Challenge Solution
• The Long Island Challenge
• Fed Challenge
• ECCp-109 Challenge
• Challenge Coin
• Chip's Challenge
• Ferrari F355 Challenge
• American Solar Challenge
• Freedom's Challenge
• James Randi Paranormal Challenge
• Three Peaks Challenge
• BOC challenge
• Challenge for Change
• Full Metal Challenge
• Cheesily Cheerful Chart Challenge
• The Lyme Park Downhill Challenge
• Most Extreme Elimination Challenge
• E2verse Valentines Challenge (collaboration)
• challenge response
• F1 Career Challenge
• Secret Me-Meta-Node Challenge
• The 99p Challenge
• DARPA grand challenge
• Challenge everything
• E2verse previous challenge (collaboration)
• Ivan's challenge
• Three Pint Challenge
• The Mentos Challenge
• Puzzle Quest: Challenge of the Warlords
• The Stephen King Challenge
• Harry Potter Interactive DVD Game: Hogwarts Challenge
• Millennium Challenge 2002
• THE IRON NODER CHALLENGE
• The Notebook Challenge
• Clomid challenge
• THE IRON NODER CHALLENGE 2: ELECTRIC BOOGALOO
• The Nuzlocke challenge
• THE IRON NODER CHALLENGE 3: THIS TIME IT'S MARTENSITIC
• "So?" is a challenge
• THE IRON NODER CHALLENGE 4: FERRASSIC PARK
• The challenge of writing a meaningful free-form poem using only two letter words
• THE IRON NODER CHALLENGE 5: THE FERROUS FRONTIER
• Sahara's Math Challenge # 1
• Noah's Ark challenge
• a partner who challenges you
• THE IRON NODER CHALLENGE 6: RUST NEVER SLEEPS
• The 2013 IRON NODER CHALLENGE (document)
• THE IRON NODER CHALLENGE 7: NODE HARDER WITH A VENGEANCE
• Up for a challenge?
• THE IRON NODER CHALLENGE 8: RUST IS FOR THE WEAK
• THE IRON NODER CHALLENGE: 9 FAST 9 FERROUS
• October Skeleton Challenge
• Ice bucket challenge
• THE IRON NODER CHALLENGE XII: WE'LL RUST WHEN WE'RE DEAD
• even if you fall from an impossible challenge,
• where you see mysteries, i see challenges
• "Age by age" reading challenge
• A Challenge is Issued
• Congratulations, you are about to experience a profound challenge
• counter
• Over the counter
• Program Counter
• Counter brace
• Counter tenor
• Counter weight
• Geiger Counter
• ripple counter
• Counter Strike
• Graphic Counter Language
• web counter
• counter terrorist (user)
• Tracking And Counter Tracking
• Albin Counter Gambit
• Counter Earth
• Counter-Strike: a Zen Story
• bean counter
• Johnson counter
• Card counter
• vertical counter
• E2 Word Counter (superdocnolinks)
• E2 Sperm Counter (superdoc)
• Counter irritant
• Counter Time Series/Series
• scintillation counter
• Counter hit
• The secret life of a ballot counter
• Center Counter
• counter spell
• Milk left on the counter overnight turned sour. She had turned as well.
• Speed counter
• CD4 cell count and its counters
• Auto Shoot counter strike
• Counter (user)
• counter culture
• Eds, do NOT click on this, please. Testing hit counter.
• Hall of Counters
• Nodeshell
• Nobody cares if it was originally a nodeshell
• Nodeshell, Nodeshell, give me your answer, do.
• Nodeshells marked for destruction
• Nodeshell Generator
• Nodeshell rescue
• Nodeshell Nursery Rhymes
• pet nodeshell
• Nodeshell as a term has got to go
• nodeshell haiku
• No Live Nude Lesbians were harmed in the rescuing of this nodeshell
• nodeshell with intent
• edev: Random Nodeshell
• The Nodeshell Hopper (superdoc)
• Your Nodeshells (superdoc)
• Archived E2 FAQ: Nodeshells (document)
• The Nodeshell Bomber (user)
• Why is this still a Nodeshell?
• Your filled nodeshells (superdoc)

If you Log in you could create a "counter nodeshell challenge" node. If you don't already have an account, you can register here.