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
The Unexpected Hanging
Nov 15 1998
The Last Christmas
Dec 20 1998
Naughts and Crosses
Jan 1 1999
Boxing the Blocks
Jan 1 1999
Sally's Bets
Jan 15 1999
Setting the Table
Feb 1 1999
Oddly Divided
Feb 23 1999
Counterfeit Coin Revisited
Mar 1 1999
Four Good Measure
Mar 1 1999
The Strongbox
Mar 26 1999
Easter Eggs
Apr 7 1999
Rope Trick
Apr 8 1999
The Jack of Spades
May 1 1999
Fattest Stack
May 15 1999
Dynamite!
Jun 1 1999
Lucky Seven
Jul 1 1999
The Jack of Spades
Jul 1 1999
Strange Squares
Jul 15 1999
The Bridge
Jul 21 1999
War-Time Safety
Jul 30 1999
Shape Identification
Aug 3 1999
Missing Time
Aug 14 1999
Strong-arm Science
Aug 24 1999
Sucker Bets
Sep 1 1999
The Magic Ping-Pong Ball
Sep 1 1999
Sleeping Beauty
Sep 14 1999
Fire!
Oct 7 1999
Shadow of Flight
Oct 16 1999
Halloween Treats
Oct 28 1999
Let There Be Light, Part I
Nov 11 1999
Let There Be Light, Part II
Nov 12 1999
Alien Artifacts
Dec 5 1999
Cannonball Competition
Dec 21 1999
Happy Birthday To Me!
Jan 7 2000
Digital Mayhem
Jan 14 2000
Einstein's Challenge
Jan 21 2000
Luck of the Draw
Feb 21 2000
The Labyrinthians' Exchange
Feb 29 2000
Lawrence of Puzzlania
Mar 13 2000
Lawrence of Puzzlania
Mar 14 2000
Monkey Business
Mar 29 2000
Monkey Business II
Mar 29 2000
Monkey Business III
Mar 30 2000
Urns of Infinity
May 6 2000
Island Networks
May 31 2000
Three Chestnuts
Jun 20 2000
Infidelity
Jul 11 2000
Threading the Pants
Aug 10 2000
Witness for the Prosecution
Aug 29 2000
The Jumpers
Sep 19 2000
Showing 51-100 of 236 records.
< Previous Next >