• BT Global Challenge
• Most Extreme Elimination Challenge
• The challenge of writing a meaningful free-form poem using only two letter words
• Belt of Venus
• Learning Machine Challenge
• The Mentos Challenge
• Men Are From Mars, Women Are From Venus
• Transit of Venus
• Ferrari F355 Challenge
• THE IRON NODER CHALLENGE 3: THIS TIME IT'S MARTENSITIC
• Venus Castina
• The Vegetable Vamps of Venus
• Front Page Challenge
• E2verse Valentines Challenge (collaboration)
• Venus
• Venus and Adonis(2)
• The 1-sentence Fin de Siecle Fiction Challenge Entry
• wertperch's nodeshell challenge (document)
• Delta of Venus
• Venus in Scorpio
• The Saltine Challenge
• American Solar Challenge
• The Birth of Venus
• Venus, when she is the evening star
• Simon Singh's Code Book Cipher Challenge Cracked
• challenge response
• Venus of Willendorf
• Venus and Adonis(3)
• RSA Secret Key Challenge
• Fiction challenge results
• Puzzle Quest: Challenge of the Warlords
• The Emperor of Venus
• Venus in Sagittarius
• 13 challenges for the 13th generation
• Freedom's Challenge
• Venus Transiens
• Venus Flytrap (user)
• The challenge we face
• F1 Career Challenge
• Venus flytrap
• Venus Williams
• challenge
• Challenge of Nexar
• The Stephen King Challenge
• Lucky Starr and the Oceans of Venus
• Venus in Capricorn
• Nodeshell Challenge
• James Randi Paranormal Challenge
• The theory that Venus came into our solar system relatively recently
• The Venus Belt
• Reading Between the Lines: Lessons from the SDMI Challenge
• Secret Me-Meta-Node Challenge
• venus 5
• Venus Libitina
• Pepsi Challenge
• Triangle Challenge
• Harry Potter Interactive DVD Game: Hogwarts Challenge
• Hottentot Venus
• Venus in Aquarius
• University Challenge
• Three Peaks Challenge
• Venus Fly Trap
• Rockby Venus
• 24 challenge
• The 99p Challenge
• Venus Prospiciens
• Triangle Challenge Solution
• Millennium Challenge 2002
• Venus (user)
• Venus in Pisces
• Agnosticism is the greatest intellectual challenge
• BOC challenge
• Venus butterfly
• The Sonnets versus Venus and Adonis
• Daz Doorstep Challenge
• DARPA grand challenge
• Unit 3 with Venus
• Venus Felix
• Challenge of the Future
• The Long Island Challenge
• THE IRON NODER CHALLENGE
• Venus In Furs
• Venus in Bovver Boots
• Christian challenge
• Challenge for Change
• Secret Santa Summer Nodeshell Challenge 2011
• Merchant of Venus
• The Cleft of Venus
• voluntary challenges in Nethack and Slash'Em
• Challenge everything
• Shrine of Venus Cloacina
• Fed Challenge
• The Notebook Challenge
• Venus and Adonis
• The Toilet of Venus ('The Rokeby Venus')
• The Cheap Beer Challenge
• Full Metal Challenge
• "So?" is a challenge
• Venus de Milo
• The Great E2 Fin de Siecle Fiction Challenge
• E2verse previous challenge (collaboration)
• The Cat and Venus
• Venus in Virgo
• Real World Road Rules Challenge
• ECCp-109 Challenge
• Clomid challenge
• Venus on the Half-Shell
• Birth of Venus
• Scrapheap Challenge
• Cheesily Cheerful Chart Challenge
• Commander Venus
• European Soccer Challenge
• Ivan's challenge
• Venus in Libra
• Challenge Coin
• THE IRON NODER CHALLENGE 2: ELECTRIC BOOGALOO
• The Building of Venus Four
• Venus Devil's Chinese Stories
• Minerva challenges Arachne
• The Lyme Park Downhill Challenge
• THE IRON NODER CHALLENGE 4: FERRASSIC PARK
• Venus Wars
• The 2-sentence Fin de Siecle Fiction Challenge Entry
• Three Pint Challenge
• Venus Plus X
• Black Venus
• Challenge a stupid patent
• Chip's Challenge
• The Nuzlocke challenge
• Venus 4300
• Mount of Venus

If you Log in you could create a "Challenge to Venus" node. If you don't already have an account, you can register here.