Findings:

• Puzzle Quest: Challenge of the Warlords
• Pokemon Puzzle League
• 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
• Nodeshell Challenge
• 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
• wertperch's nodeshell challenge (document)
• 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
• Secret Santa Summer Nodeshell Challenge 2011
• "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
• Pokemon cereal
• Pokemon religious propaganda
• Pokemon evolution isn't evolution
• Pokemon Gold & Silver
• I am a Pokemon and I flew like one
• Pokemon: The Movie 2000
• Nicolas Cage Pokemon
• r0xx0r d4 pokemon (user)
• Saudi Arabia bans Pokemon
• Giant Stuffed Pokemon Dolls
• Pokemon Red & Blue
• Pokemon Stadium
• Pokemon Snap
• Pokemon 3: The Movie
• Pokemon Trading Card Game
• Pokemon Ruby & Sapphire
• Pokemon Emerald
• pokemon master (user)
• Pokemon Emerals
• Pokemon Crater
• Pidgey is the best Pokemon
• all free pokemon games
• Pokemon FireRed & LeafGreen
• Pokemon master5 (user)
• pokemon king (user)
• Pokemon being the first anime to most Australian children.
• Twitch Plays Pokemon
• Pokemon Go
• Judging older Pokemon sprites
• puzzle
• Super Puzzle Fighter 2
• Probability puzzles
• Babel Fish puzzle
• jigsaw puzzle
• puzzle game
• tavern puzzle
• Monkey's puzzle
• Logic puzzles
• Super Puzzle Fighter II Turbo
• spatial puzzles
• first crossword puzzle
• Answer to the first crossword puzzle
• Microsoft Puzzle Collection
• situation puzzle
• Teach Yourself Scheme: 14.4 Logic puzzles
• old chestnut: age puzzles
• American Crossword Puzzle Tournament
• E2 Reveal Word Puzzle : 1 : Answer
• E2 Reveal Word Puzzle : 1
• mechanical puzzle
• slide puzzle
• crossword puzzle
• Answer to the sample paint by numbers puzzle
• World Puzzle Championship
• grid-logic puzzles
• Path puzzle
• letter-chain puzzle
• dissection puzzles
• NSA Puzzles
• Puzzle Bobble
• Life as a Puzzle
• Betting puzzle
• Betting puzzle answer
• coloured hat puzzles
• Monks with blue spots puzzle
• Crossword puzzles are an aphrodisiac.
• word puzzle
• petal puzzle
• MU puzzle
• MU puzzle solution
• German Puzzle Solution
• Disentanglement puzzle
• TVTV! Puzzle
• Jamie's Puzzle
• The Puzzle of Ethics
• How to solve any number sequence puzzle
• number sequence puzzle

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