Difference between revisions of "List of puzzle hunts"

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| Google Puzzle Hunt [https://gooooogol.theburninators.org/puzzles/ &nbsp;] || <span class="small">[[Google Puzzle Hunt (2007)|2007 (Googol Conglomerate Hunt)]]</span>
| Google Puzzle Hunt [https://gooooogol.theburninators.org/puzzles/ &nbsp;] || <span class="small">[[Google Puzzle Hunt (2007)|2007 (Googol Conglomerate Hunt)]]</span>
|-
|-
| Harvard Puzzle Hunt [http://www.hcs.harvard.edu/hunt/ &nbsp;] || <span class="small">[[Harvard Puzzle Hunt (2010)|2010]]{{·}} [[Harvard Puzzle Hunt (2009)|2009]]{{·}} [[Harvard Puzzle Hunt (2008)|2008]]{{·}} [[Harvard Puzzle Hunt (2007)|2007]]{{·}} [[Harvard Puzzle Hunt (2006)|2006]]{{·}} [[Harvard Puzzle Hunt (2005)|2005]]{{·}} [[Harvard Puzzle Hunt (2004)|2004]]/span>
| Harvard Puzzle Hunt [http://www.hcs.harvard.edu/hunt/ &nbsp;] || <span class="small">[[Harvard Puzzle Hunt (2010)|2010]]{{·}} [[Harvard Puzzle Hunt (2009)|2009]]{{·}} [[Harvard Puzzle Hunt (2008)|2008]]{{·}} [[Harvard Puzzle Hunt (2007)|2007]]{{·}} [[Harvard Puzzle Hunt (2006)|2006]]{{·}} [[Harvard Puzzle Hunt (2005)|2005]]{{·}} [[Harvard Puzzle Hunt (2004)|2004]]</span>
|-
|-
| HMMT Puzzle Hunt [https://philena.scripts.mit.edu/hmmt_puzzlehunt2021/ &nbsp;] || <span class="small">[[HMMT Puzzle Hunt|2021]]</span>
| HMMT Puzzle Hunt [https://philena.scripts.mit.edu/hmmt_puzzlehunt2021/ &nbsp;] || <span class="small">[[HMMT Puzzle Hunt|2021]]</span>

Revision as of 12:25, 19 February 2022

Collection Puzzle hunts
2 Tone Game   2010
A Love Story in Puzzles   2011
Alice Still Shrugs   2015
Arcane Game   Arcane Game DHW21 · Arcane Game Online 0
BAPHL Puzzle Hunt   21 (Boston Alternative to Purchasing High-Priced Leaguetickets) · BAPHL 20 (Brave Adventures & Phantasical Legends) · BAPHL 19 (Same Area Different Hunts) · BAPHL 18 (Backup Athletes Playing the Hometown League) · BAPHL 17 · BAPHL 16 · BAPHL 15 (The Search for BAPHL 14) · BAPHL 14 (The Sixth Anniversary Extravaganza) · BAPHL 13 (Boston Area Pirate Hunters League) · BAPHL 12 (Belated (Arguably Postponed) Holiday Leftovers|) · BAPHL 11 (The Boston Adventures of Professor Hershel Layton) · BAPHL 10 (Bostonian Association of Picking Hunt Locations) · BAPHL 9 (Forbidden Rhode Island) · BAPHL 8 (From Dusk to Dawn (or vice versa)) · BAPHL 7 (Basic American Psuedo-History Lesson) · BAPHL 6 (Battle of the Bands) · BAPHL 5 (The Great Race) · BAPHL 4 (Baphlception) · BAPHL 3 (The Mysterious Journal) · BAPHL 2 (Boston Advanced PHysics Laboratories) · BAPHL 1 (Fuzzy and the Fuzzkins)
Beginner's Luck Pre-Hunt King of Hearts (2015) · Catch Me If You Can (2014) · Hack Punt Tool (2013) · The Fool's Errand (2012) · Beginner's Luck (2009)
Berkeley Puzzle Hunt   2015 (OskiLeaks) · 2014 (CALUMNIOUS) · 2013 (Ankur's Research) · 2012 (Anthrolpology 50C) · 2011 (Save Our University!)
Burn After Solving   2021
Caltech Puzzle Hunt   2018
Cambridge Puzzle Hunt   2017
Carl's Christmas Hunt   2020 · 2015 · 2014 · 2013 · 2012
Cenarius's Puzzle Sets   Ocean's Calling · Knight-a-Ranting · The Burgundy Boy · Night, Knight! · The Sylph Sleeps · The Seer is Out
CMU Puzzle Hunt   Fall 2021 (Spam Hunt) · Summer 2021 (Orientation Week Hunt) · Spring 2021 (Pirate Hunt) · Fall 2020 (Oregon Trail Hunt) · Spring 2020 (Getaway Hunt) · Fall 2019 (Anomaly Hunt) · Spring 2019 (The Quest for the Dragon's Riches) · Winter 2019 (CS Hunt) · Fall 2018 (Time Travel Hunt) · Spring 2018 (Apocalypse Hunt) · Fall 2017 (Aperture Science Student Testing Initiative) · Spring 2017 (Carnival Hunt) · Fall 2016 (Harry Potter and The Hunt of Puzzles) · Spring 2016 (Puzzlehunt The Musical!) · Fall 2015 (Adventure Hunt) · Spring 2015 (Space Hunt)
Colby's Curious Cook-off   2020
Come on Down   2021
Co-Puzzle Hunt   2020
Cracking the Cryptic Sudoku Hunt   · Puzzle Hunt No. 1  
Cryptex Hunt   2021 (Puzzle Hunts in 8-Bit) · 2020 · 2019 (The Fourth Eye) · 2018 (Prexcyt)
CRUMS Puzzle Hunt   2020
CS50x Puzzle Day   2021 · 2020 · 2019 · 2018 · 2017 · 2016
CuCaTS Puzzle Hunt   2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013 · 2012
Dan Katz's Mini Hunt   2 Big 2 Fail 2 Furious (2013) · Odor Humanity! (2012) · The Internet Strikes Back (2011) · SC Johnson, A Mysterious Shadow Corporation (2010) · The Wrath of Stopheles (2009) · Mostly Clueless (2008) · Major Malfunction (2007) · A Challenging Round of Noodle Yanking Mysteries (2006)
Dark Horse Challenges   Dec-21 (Goose Game) · Nov-21 (Word Games) · Oct-21 (Revolutions) · Sep-21 (The Treasure of Pharoah Azrela) · Aug-21 (The Code Books) · Jul-21 (The Audio Labours) · Jun-21 (A Simple Device) · May-21 (The Mobius) · Apr-21 (Needles In Haystacks) · Mar-21 (Dark PK) · Feb-21 (The Cube) · Jan-21 (Tabula Revolvi) · 2020 (The Intro)
Daro & Caro's Pixar Puzzle Hunt   2020
Darren Miller's Haunted House Hunt   2021 · 2020 · July 4 Hunt (2020) · 2019 · 2018 · Christmas Puzzles 2016
DASH   DASH 11 (Diagnose! Assemble! Shrink! Heal!) · DASH 10 (Deputies Allied to Secure Homesteads) · DASH 9 (Department of Applied Synergistic Humanities) · DASH 8 (008) · DASH 7 (Tri-Wizard Tournament) · DASH 6 (Lemonade, Inc.) · DASH 5 (Doctors Against Scourges of Humanity) · DASH 4 (Apocalypse Now) · DASH 3 (Fairy Tales) · DASH 2 (Trapped in TV Land) · DASH 1 (Wild West)
DefCon Puzzle Hunt   2021 · 2020 · 2019 · 2018 · 2017 · 2016
DP Puzzle Hunt   2020
Dr. Bob's Puzzle Hunt   2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013
Dustin Foley's Mini Extravaganzas   Leg Day (2020) · Fire Works (2019) · The Magnificent Seven, Plus One (2016) · Pressing Play (2016) · Non-Working Holiday (2015) · Winter's Stellar Travel (2014) · Time for the Holidays (2013) · A Very Flaky Set of Puzzles (2012) · The Winter's Talent (2011)
Edric's Treasure Hunt   2021 (Truzzle Hunt) · 2021 · 2020 (Puzzle Hunt) · 2020 · 2019 · 2018
Elevate Tutoring Puzzle Hunt   Elevate Tutoring Puzzle Hunt 3 · Elevate Tutoring Puzzle Hunt 2 · Elevate Tutoring Puzzle Hunt
Elite Puzzle Hunt 2011
ffao Secret Solver Hunt   2021
Food Pyramid Puzzle Hunt   2020
Galactic Puzzle Hunt   2021 (20/20 Vision) · 2020 · 2019 (The Galactic Artifact) · 2018 (The Great Galactic Bake Off) · 2017 (Puzzleball Championships)
GHCQ Christmas Puzzle   2020 · 2015
Ghost Patrol   Late Night Snack (2016) · Reconstructed (2013) · Bust A'nother Ghost (2010) · Ghost Patrol (2008)
Glyph Puzzle Hunt   Glyph 2 · Glyph 1 · Glyph 0
Google Puzzle Hunt   2007 (Googol Conglomerate Hunt)
Harvard Puzzle Hunt   2010 · 2009 · 2008 · 2007 · 2006 · 2005 · 2004
HMMT Puzzle Hunt   2021
Hunt 20   Hunt20 2.1 Puzzle Hunt · Hunt20 Puzzle Hunt
Huntinality   2021
Inaudible Hunt   2021
Inexact Puzzle Hunt   2021
InteGIRLS Puzzle Hunt   2020
Intercoastal Alterations   IA 5 (Major League Brainball) · IA 4 (Who Stole the Emerald Necklace) · IA 3 (SolTrade) · IA 2 (Wild Goose Chase)
Mark Halpin's Labor Day Hunt   2021 · 2020 (Balancing Act) · 2019 (Distressed) · 2018 (It Takes Two) · 2017 (When First We Practice To Deceive) · 2016 (Here Comes The Sun) · 2015 (Speaking of Witch) · 2014 (I Get By With A Little Help From My Friends) · 2013 · 2012 (...And I Feel Fine) · 2011 (Let's Get Away From The City) · 2010 (Wishful Thinking) · 2009 (Sun and Sand) · 2008 (Short Story) · 2007 (Are We There Yet?) · 2006 (Labor Intensive)
Mathcamp Puzzle Hunt   2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007 · 2006 · 2005 · 2004

Matt Jones's Puzzle Hunts Count Furcula's Groovy Gravy Late-Nite Cinema (2012) · Puzzle Feast (2011)
Mezzacotta Puzzle Hunt[1]   2016 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007
Microsoft Puzzle Hunt '14   Microsoft Puzzle Hunt 18 (The Puzzling Zone) · Microsoft Puzzle Hunt 17 (KPUZ Music Festival) · Microsoft Puzzle Hunt 16 (Library Island) · Microsoft Puzzle Hunt 15 (The Motion Picture Post-Apocalyptic) · Microsoft Puzzle Hunt 14 (Travel the Number 14) · Microsoft Puzzle Hunt 123 (Jeopardy!/Puzzlehaunt!) · Microsoft Puzzle Hunt 11.0 (Caught in the Net) · Microsoft Puzzle Hunt A (Atlantis) ·Microsoft Puzzle Hunt 9 (Doomsday) · Microsoft Puzzle Hunt 8 (The Hard Way) · Microsoft Puzzle Hunt 7 (Alice in Puzzlehunt) · Microsoft Puzzle Hunt 6 (TimeCorps) · Microsoft Puzzle Hunt 5 (Mission: Impuzzible) · Microsoft Puzzle Hunt 4 (Clue) · Microsoft Puzzle Hunt 3 (You Don't Know Puzzles) · Microsoft Puzzle Hunt 2 (Age of Puzzles) · Microsoft Puzzle Hunt 1 (The Microsoft Games)
Mirroux Puzzle Shake Off   2020
Mission Street Puzzles   Season 5 (Scholarship Edition) · Season 4 (Seoul) · Mission Street Puzzles (Season 3)Season 3 (Austin) · Mission Street Puzzles (Season 2)Season 2 (New York City) · Mission Street Puzzles (Season 1)Season 1 (San Francisco)
MIT Aquarium Puzzle Hunt   2021 (Ivy Leagues Under the Sea) · 2020 · 2019 (The Banquet) · 2018 (Eternal Glove) · 2017 (Jeopardy) · 2016 (Twenty Questions) · 2015 (Inception) · 2014 (True and Verified Secret of Happiness) · 2013 (McFly Portal Enterprises) · 2012 (Penguin Federation)
MIT Mystery Hunt   2021 (Bookspace) · 2020 (Penny Park) · 2019 (Molasses Awareness Day) · 2018 (Operation Head Hunters) · 2017 (Monsters et Manus) · 2016 (Huntception) · 2015 (20,000 Puzzles Under the Sea) · 2014 (Alice in Wonderland) · 2013 (Coin Heist) · 2012 (The Producers) · 2011 (Video Games) · 2010 (300th Anniversary) · 2009 (Escape from Zyzzlvaria) · 2008 (Mystery Mystery Hunt) · 2007 (Seven Deadly Sins) · 2006 (S.P.I.E.S.) · 2005 (Normalville) · 2004 (Time Bandits) · 2003 (Matrix) · 2002 ( Monopoly) · 2001 (Hunt of Horror) · 2000 (Wizard of Oz) · 1999 (Carmen Sandiego) · 1998 (Enigmatology) · 1997 (Elvis Presley) · 1996 (Gödel, Escher, Bach) · 1995 (Clue) · 1994 (Cyberpunk) · 1993 (The Holy Grail) · 1992 (Captain Red Herring's Mystery Island)
MUMS Puzzle Hunt   2019 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007 · 2006 · 2005 · 2004
Nathan Curtis's Mini Extravaganzas   Verwald's Treasures (2018) · What's That Spell? (2017) · The Wanderer and the Wu Xing (2017) · A Curtain Call for Borbonicus and Bodley (2013) · A Banner Occasion (2012) · Tortoise's Binary Birthday Extravaganza (2011)
NPL Convention   2022 (Contry) · 2021 (WashingCon) · 2020 (Contario) · 2019 (RockOn!) · 2018 (Milwaukee) · 2017 (BeaCon) · 2016 (SiLiCon) · 2015 (Recouvery) · 2014 (MaineCon) · 2013 (ConTex) · 2012 (Orecon) · 2011 (Convidence) · 2010 (ConPac) · 2009 (Baltimore) · 2008 (Conorado) · 2007 (MichiCon) · 2006 (TaxSAcon) · 2005 (Laconic) · 2004 (BosCon) · 2003 (IndyCon)
P&A Magazine   Space Oddity · A Panda's Kickstarter · Damn This Traffic Jam · Ya Buncha Yo-Yos · Shakespr · Escape the Room · The Ucaganza · SpaceFight! · The Wes Carpenter Experience
P.I.HUNT   P.I.HUNT 7 · P.I.HUNT 6 · P.I.HUNT 5 · P.I.HUNT 4 · P.I.HUNT 3 · P.I.HUNT 2 · P.I.HUNT 1
Palantir Puzzle Hunt   2020 (Food For Thought)
PaizoCon Puzzle Hunt   2021 · 2020 · 2019 · 2018 · 2017
Paradox Puzzle Hunt   2021
Pea Puzzle Hunt   2021 · Pre-Hunt 2021 · Rabble 2020 · Rabble Pre-Hunt 2020 · 2020 · Pre-Hunt 2020 · 2019 · 2018 · Pre-Hunt 2018 · 2017 · 2016
Pilcrow Bar   2020
Projectyl's Mini Hunts Snow Problem (2011) · Halloween (2011)
Puzzle Crawl   2020 (Happy Quarantine's Day Hunt)
Puzzle Boat   Puzzle Boat 8 · Puzzle Boat 7 · Puzzle Boat 6 · Puzzle Boat 5 · Puzzle Boat 4 (Epilogue) · Puzzle Boat 4 · Puzzle Boat 3 · Puzzle Boat 2 · Puzzle Boat
Puzzle Potluck   Puzzle Potluck 3 · Puzzle Potluck 2 · Puzzle Potluck 1 · Puzzle Potluck 0.3 · Puzzle Potluck 0.2 · Puzzle Potluck 0.1
Puzzle Rojak   2021
Puzzled Pint   Jan-22 (Avatar) · Dec-21 (Gilligan's Island) · Nov-21 (Seven Wonders of the Ancient World) · Oct-21 (Condiments) · Sep-21 (Tenet) · Aug-21 (Vikings) · Jul-21 (Agatha Christie's Poirot) · Jun-21 (Chess) · May-21 (Steven Universe) · Apr-21 (Greek Mythology) · Mar-21 (Life in 2020) · Feb-21 (A Series of Unfortunate Events) · Jan-21 (PuzzFeed) · Dec-20 (The Grinch) · Nov-20 (Scooby-Doo) · Oct-20 (Seasons) · Sep-20 (Schoolhouse Rock) · Aug-20 (The Great British Baking Show) · Jul-20 (Puzzled Pint's 10th Anniversary) · Jun-20 (Modern Board Games) · May-20 (Dr. Seuss) · Apr-20 (Magic) · Mar-20 (Frankie & Louie) · Feb-20 (Circular Reasoning) · Jan-20 (Neko Atsume) · Dec-19 (Die Hard) · Nov-19 (Music) · Oct-19 (Haunted House) · Sep-19 (Dimensional Diversions) · Aug-19 (The Muppet Show) · Jul-19 (The Space Age) · Jun-19 (The Crystal Maze) · May-19 (High School) · Apr-19 (Head to Head) · Mar-19 (The Dark Crystal) · Feb-19 (Art Heist) · Jan-19 (Friends) · Dec-18 (The Nightmare Before Christmas) · Nov-18 (Da Vinci) · Oct-18 (Zoo Theft) · Sep-18 (Labyrinth) · Aug-18 (Pokémon) · Jul-18 (KANGAROO) · Jun-18 (Road Trip) · May-18 (Ampersands) · Apr-18 (Pintcoin) · Mar-18 (Harry Potter) · Feb-18 (Stargate) · Jan-18 (Stranger Things) · Dec-17 (Secret Messages) · Nov-17 (Charlie and the Chocolate Factory) · Oct-17 (Dracula) · Sep-17 (Wedding) · Aug-17 (Destiny) · Jul-17 (Game of Thrones) · Jun-17 (The Prisoner) · May-17 (Pintopia Press) · Apr-17 (Playing Cards) · Mar-17 (Alice in Wonderland) · Feb-17 (Valentine's Day) · Jan-17 (Hamilton) · Dec-16 (Dungeons & Dragons) · Nov-16 (I Puzzled) · Oct-16 (Election) · Sep-16 (Rats) · Aug-16 (Star Trek) · Jul-16 (Secret Societies) · Jun-16 (Pintopia Brewery Tours) · May-16 (Parks and Recreation) · Apr-16 (Queen's Birthday) · Mar-16 (Comic Book Mystery) · Feb-16 (Shel Silverstein) · Jan-16 (Crime Scene) · Dec-15 (Mad Men) · Nov-15 (The Big Lebowski) · Oct-15 (Mystery Month) · Sep-15 (Doctor Who) · Aug-15 (Semaphore) · Jul-15 (Portland) · Jun-15 (TV) · May-15 (Ex Machina) · Apr-15 (The A-Team) · Mar-15 (Mythology) · Feb-15 (Phobias) · Jan-15 (X-Men) · Dec-14 (Reason's Greetings) · Nov-14 (Ancient Egypt) · Oct-14 (Back to the Future) · Sep-14 (Let's Talk About...) · Aug-14 (Moving Day) · Jul-14 (Monty Python and the Holy Grail) · Jun-14 (The DoubleClicks) · May-14 (The Princess Bride) · Apr-14 (Mix Tape) · Mar-14 (Casino) · Feb-14 (Spinal Tap) · Jan-14 (Transportation) · Dec-13 (Hitchhiker's Guide to the Galaxy) · Nov-13 (Five Senses) · Oct-13 (Sherlock) · Sep-13 · Aug-13 · Jul-13 · Jun-13 · May-13 (Arrested Development) · Apr-13 · Mar-13 (Jeopardy) · Feb-13 (Clue) · Jan-13 · Dec-12 · Nov-12 · Oct-12 · Sep-12 · Aug-12 · Jul-12 · Jun-12 · May-12 · Apr-12 · Mar-12 · Feb-12 · Jan-12 · Dec-11 · Nov-11 · Oct-11 · Sep-11 · Aug-11 · Jul-11 · Jun-11 · May-11 · Apr-11 · Mar-11 · Feb-11 · Jan-11 · Dec-10 · Nov-10 · Oct-10 · Sep-10 · Aug-10 · Jul-10
Puzzles are Magic Hunt   2020
Puzzling Elves Hunt   2021
QoDE Puzzle Hunt   2021
REDDOT Hunt   2020 · 2019 · 2018 · 2017
RIT CS Puzzle Hunt 2020 · 2017 · 2010 · 2009 · 2008 · 2007 · 2006
RMHS Pi Day Puzzle Hunt   2020 · 2019 · 2018 · 2017 · 2016 · 2015
RSS Christmas Quiz   2021 · 2020 · 2019 · 2018 ·
Silph Puzzle Hunt[2]   2021 · 2020 · 2019
Singapore Puzzle Hunt   2021 (Around the World in 18 Puzzles) · 2020 (The Infinite Puzzle) · 2019 (The Puzzleville Redemption) · 2018 (Ready Puzzler One) · 2017 (The Final Puzzle) · 2016 (Order of the Puzzles) · 2015 (Alice's Adventures in Singapore)
SUMO Puzzle Hunt   2019 · 2018 · 2017 · 2016
SUMS Puzzle Hunt 2018 · 2017 ·2016 · 2015 · 2014 · 2013 · 2012 · 2011 · 2010 · 2009
Teammate Hunt   2021 (Carnival Conundrum) · 2020 (Matt and Emma's Birthday Bash)
The Famine Games   2013
The Great American History Puzzle   2012
The Locked House of Dr. Matrix   2008
The Space Beyond Imagination   2022
TimTang Puzzle Hunt   2020
Trip Payne's Mini Extravaganzas Three Ring Circus (2014) · Super-extravaganza! (2013) · Remote Possibilities (2012)
Ultraviolet Puzzle Challenge   2020
UMD Puzzle Hunt   2021 (Art Heist) · 2020 (Jeopardy) · Fall 2019 (Wild Goose Chase) · Spring 2019 (Clues to the Cosmos) · 2018 (It's Lit) · 2017 (Department of Enigmatology)
University of Chicago Puzzle Hunt   2021
USC Puzzle Hunt   2016 (Operation Golden Ticket) · 2015 (Back To the Present) · 2014 (Great Minds) · 2013 (Colonial America) · 2012
VT Puzzle Hunt   2021 · Halloween (2020) · 2020 · Halloween (2019) · 2019 · 2018 ·
Winter Distraction That Tantalizes and Amuses   2018
  1. previously CISRA Puzzle Hunt
  2. previously Smorgon Puzzle Hunt

Treasure Hunts

Collection Puzzle hunts
Arizona Treasure Hunt   2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007 · 2006 · 2005 · 2004 · 2003 · 2002 · 2001 · 2000 · 1999 · 1998 · 1997 · 1996 · 1995 · 1994 · 1993 · 1992 · 1991 · 1990 · 1989 · 1988 · 1987 · 1986 · 1985 · 1984 · 1983 · 1982 · 1981 · 1980 · 1979 · 1978 · 1977 · 1976 · 1975 · 1974 · 1973 · 1972 · 1971 · 1970 · 1969 · 1968 · 1967 · 1964 · 1962 · 1961 · 1956
Pablo's Armchair Treasure Hunt   2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007 · 2006 · 2005 · 2004 · 2003 · 2002 · 2001 · 2000 · 1999 · 1998 · 1997 · 1996 · 1995 · 1994 · 1993 · 1992 · 1991 · 1990 · 1989 · 1988 · 1987 · 1986 · 1985

Still to add

Sequential puzzles / riddles:
NotPron (online riddle)	http://notpron.org/notpron/
OddPawn (does a riddle count)	http://oddpawn.com/gameon/switchboard.php
PuzzleDonkey	https://puzzledonkey.org/default.php

Not working / inaccessible?
Great Puzzle Hunt	https://www.greatpuzzlehunt.com/
Microsoft College Puzzle Hunt	https://www.collegepuzzlechallenge.com/Archive/
Princeton Puzzle Hunt	https://puzzles.princeton.edu/