- The Locked Box
- MyRiddleNameIsHi
- Riddle inside a riddle
- Awesome Riddle 2
- Nick's Riddle
- Torment
- thisismyriddle
- Kristi's Riddle
- The Riddler Dude's Riddle
- Nick's Riddle 3
- Distorted Riddle
- GizBro
- 613 Riddle 2
- Pop Culture
- Lilchef's Riddle
- Old School Games Riddle
- Old School Game's Riddle 2!
- The Mind Boggler
- Simple and Mystic
- Dor's riddle
- In From The Cold
- New Game Movie Riddle
- Me See You Riddle
- Technology is Cool
- 123 Riddles
- GizBroTwo
- My First Riddle
- MyRiddle by Lee
- Lilchef's Riddle 2
- Music Riddle
- My Second Riddle by Lee
- Lilchef's Riddle 3
- Jeoffreydonut riddle 2
- Amnesya - The Final Riddle Challenge
- Viviwel Riddle
- Film Riddle
- The Animal Riddle
- Nick's Riddle 4
- Mubutukinkeke Riddle
- Eternity Code - A Riddle
- MeSeeYou Riddle 2
- Rock & Pop Riddle
- Phenim
- Nickynacks riddle
- TV Riddle
- Skyscraper 100
- Random Riddle
- HurleyUp Riddle!
- The Mind Boggler Deuce
- Riddle ftw
- American Football riddle
- Tropic Lightning
- Riddle of Riddles Returns
- Yet Another Riddle
- Riddle ftw: The Sequel
- Rakeshi's Anime Riddle
- The Riddle of Ages
- A Tribute to Volvo: the Hunt--- A riddle
- Trinih's Riddle
- Naruto riddle
- Naruto & Bleach Riddle
- Riddle of Popoa
- The Mind Boggler Triple Threat
- Riddler
- Sum1's Riddle
- OddPawn (now OddPawn V3)
- Rakeshi's Logic Riddle
- MeSeeYou's Naruto Riddle
- MrPlows Naruto riddle!
- Animeandgameriddle
- Nooby Riddle
- Dunn Puzzle
- Catch 22
- Inward Hellix
- The Puzzle of Doom
- Uncopyrightable
- Test Riddle
- The Riddle of Doom
- The Black Lodge
- Letter Riddles
- This Might Be My Third Riddle
- This might be my fourth riddle
- New school riddle
- The Movie Quiz 2
- The Photoshop Riddle
- 1016 Riddle
- QuickRiddle
- Arrogant Bastards present: BASTARD riddle contest 2
- Mage's Maze
- the Riddle of Arts
- Angel's Riddle
- Qwizard 6
- Destination:Elsewhere
- The great and wonderful holiday riddle
- Huh?Riddles
- cartmin45's riddle
- Gamers-Riddle
- My First Riddle
- The EPIC
- QuickRiddle 2
- JnsRiddle
- Web Riddle
- Master Riddle
- Master Riddle 2
- Avada Kedavra
- Pure Anime Riddle
- Amnesya (Special thread for level AD)
- Angel's Riddle 2
- English Ghost Hunt
- Funiaxs Hehehe Riddle
- Freddy Krueger Riddle
- QuickRiddle 3
- Deultimateriddle
- Derek's Riddle
- Haag
- Web Riddle: Alphabet
- Elemental Riddle
- Funiaxs Blah Blah Blah Riddle
- The Quest
- Kyle's Puzzle
- GoBox [August 2008: new levels!]
- A Tribute to Volvo: The Hunt--- The Sequel
- Super Riddle
- Fern's Riddle
- Etonné
- Devilish riddle
- Mischief Managed
- Shahar C's Easy Peasy Riddle
- Riddle of Death
- BE Creative Puzzle
- The Riddle of Boredom
- Njem - The Journey
- Stupidscape
- Bimbogami
- Azzers riddle
- Get in the Lake!
- The Blifaloo Riddle Challenge
- WhatsIT? - Ultimate Dingbat Challenge
- Riene Riddle
- Downtown Cinema
- Securius Riddle
- The Invisible Beard of Contemplation Riddle - Part One
- Ultrareality!
- Unhappy Spaceship
- Hugo's (EASY) Riddle
- Hugo's Riddle - Part Two
- The Riddle Of Simplicity
- The Riddle Of More Simplicity
- The Brain Bomber
- IQ 120 - Riddles for EGGHEADS
- The Epic Seven
- RiddleMagic
- Lyra's World
- Retroriddle
- QuickRiddle 4
- The Natural Seven
- Maniac Riddle
- The Backward Escalator
- The Modern Seven
- Dingbat riddle
- Top Secret
- Eternal Quest
- New999 Riddles
- Cringle's Ten
- Solve the Puzzle
- Freaks Riddle 2
- 99 Chambers
- New Year's Riddle DISASTER!!
- Akumie's Riddle
- The Zood
- Zodiac's 12
- Garath531's Riddle
- Tridecagon
- Movie Riddle
- Dracula's riddle 2
- Another riddle game
- Urban Slang
- TV/Movie catch phrase riddle
- TV show theme songs. Listen to the audio
- Tutorial Riddle for Newbies: Riddle 101
- Movie Riddle 2
- The Mythical Riddle
- The Medieval Seven
- The Riddler On The Roof
- TV Show Theme Part 3
- 80s TV Picture Puzzle
- Guess The Celebrity
- Riddlee Riddlee Ree - Absolut Li's Riddle
- Riddle Of Ages 2
- Guess the Caricature
- Treasure Hunt Riddle
- Guess The Rock Group
- The Mystery
- Hair today, gone tomorrow
- Guess the silent video
- Code Breaking (Code DeCEit)
- Mist
- Schools for Fools: CRANIUM ACADEMY
- Picto Riddle
- Paparazzi
- Time For a Riddle
- +Ma's Reversing
- Dot Riddle
- The Spy
- Novice
- The Invisible Beard of Contemplation - Part Two
- English Riddle
- Eink's riddles
- Rachels Dingbat Riddle
- Cruiser Riddle
- Riddle Game - The Watchword
- New999 Riddles 2
- Drew-r's Dingbat Riddle
- Easy Picture Puzzles
- Other Sense
- The EEOTCE
- Random Riddler
- Visual Puzzles
- Myths and Legends Riddle
- Idioms Pictionary Riddle
- Debut Album Covers
- 404 Riddles
- Myths and Legends Riddle 2
- Phobos 1
- Phobos 2
- Riddling Park
- My First Riddle
- Umm Candy! Riddle
- Mark Mc's Random Riddle
- Horror Movie Riddle
- E.B.O.N.Y. - The Weirdest Riddle Game On The Internet
- Horror Movie Riddle PART 2
- BleachRiddle
- Board Games Riddle
- Fruit! Riddle
- Music Exam
- Movie riddle
- Movie Riddle, part 2 (the hair addition)
- Movie riddle, part 3
- Swell
- Anagramastic
- Wrestling With A Riddle
- Fruit! 2
- Quaesta
- Veggies!
- DemonRiddles
- The Syphlux Riddle
- Skeeter Bytes
- Zahada
- Definitions Riddle