Can you solve the fortress riddle? - Henri Picciotto
Can you solve the monster duel riddle? - Alex Gendler
Can you solve the jail break riddle? - Dan Finkel
Can you solve the cuddly duddly fuddly wuddly riddle? - Dan Finkel
Can you solve the secret werewolf riddle? - Dan Finkel
Can you solve the cheating royal riddle? - Dan Katz
Can you solve the fish riddle? - Steve Wyborney
Can you solve the human cannonball riddle? - Alex Rosenthal
Can you solve the cursed dice riddle? - Dan Finkel
Henri Picciotto: Can you solve the fortress riddle ( TED Subtitles )
Can you solve the Trojan War riddle? - Dennis E. Shasha
Can you solve the giant spider riddle? - Dan Finkel
Can you solve the alien pyramid riddle? - Henri Picciotto
Can you solve the secret sauce riddle? - Alex Gendler
Can you solve the rogue submarine riddle? - Alex Rosenthal
Can you solve the sea monster riddle? - Dan Finkel
Can you solve the sorting hat riddle? - Dan Katz and Alex Rosenthal
Can you solve the famously difficult green-eyed logic puzzle? - Alex Gendler
Can you solve the honeybee riddle? - Dan Finkel
Can you solve the Big Bang riddle? - James Tanton