Can you solve the famously difficult green-eyed logic puzzle? - Alex Gendler
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Logic Puzzles
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Can you solve the three gods riddle? - Alex Gendler
Can you solve the frog riddle? - Derek Abbott
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Can you solve the rogue submarine riddle? - Alex Rosenthal
10 Fun Kiddy Riddles That Stump Most Adults
Can you solve the riddle of Pandora’s box? - Alex Rosenthal
How To Solve The Seemingly Impossible Escape Logic Puzzle
Even the Smartest Professor Can't Solve All 17 Riddles
Prove You're a Logic Beast By Cracking 55 Riddles
Can you solve the secret assassin society riddle? - Alex Rosenthal