The Grey Labyrinth is a collection of puzzles, riddles, mind games, paradoxes and other intellectually challenging diversions. Related topics: puzzle games, logic puzzles, lateral thinking puzzles, philosophy, mind benders, brain teasers, word problems, conundrums, 3d puzzles, spatial reasoning, intelligence tests, mathematical diversions, paradoxes, physics problems, reasoning, math, science.

   
Puzzle Archives

All our previous puzzles from years gone by are still available.  You can sort the puzzles by date, popularity or name.

Sort puzzle by
TitleRatingPublished
More Money
Jun 1 1996
Most Unique
Jul 1 1996
Unusual Paragraph
Aug 1 1996
The Hex
Sep 1 1996
The Magnet
Oct 1 1996
How Many Threes?
Nov 1 1996
Three Hats
Dec 1 1996
The Accountant
Dec 31 1996
The Berry Number
Jan 1 1997
The Poker Game
Jan 15 1997
Close Quarters
Feb 1 1997
The Prisoner's Balls
Feb 15 1997
The 9 Minute Egg
Mar 1 1997
The Newcomb Problem
Mar 15 1997
Find The Soda
Apr 1 1997
Eggs or Flour
Apr 15 1997
Chains of Love
May 1 1997
Crystal Lake
May 15 1997
The Counterfeit Coin
Jun 1 1997
Monty Hall
Jun 15 1997
Potpourri
Jul 1 1997
Another Balancing Act...
Jul 15 1997
The Library of Babel
Aug 1 1997
Potpourri II
Aug 15 1997
One Hundred Locks
Dec 1 1997
The Forgetful Builder
Jan 1 1998
The Three Lights
Jan 15 1998
The Window
Feb 1 1998
The Cannon
Feb 15 1998
The Billiard Ball
Mar 1 1998
Haunted Television
Mar 15 1998
Coffee Time
Apr 1 1998
Back to School
Apr 15 1998
The Three Men and A Duel
May 1 1998
Screwed.
May 15 1998
Pencils Out
Jun 1 1998
Far Side of The Moon
Jun 15 1998
Chess Match
Jul 1 1998
The Bookworm
Jul 15 1998
The Pilot
Aug 1 1998
The Cube
Aug 15 1998
The Marbles
Sep 1 1998
Potpourri III
Sep 7 1998
Postmodern Prose?
Sep 15 1998
Pyramid Construction 101
Sep 30 1998
Trainspotting
Oct 1 1998
Mixology
Oct 7 1998
A Bar Bet
Oct 14 1998
The Billionaire's Gates
Oct 21 1998
Seven Jack O' Lanterns
Oct 30 1998
Showing 1-50 of 237 records.
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