Brain Teasers

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Hardest Teasers

These brain teasers have been voted as the most difficult. Only teaser with at least 20 votes are shown. Good luck solving them!

Sort by: Title Popularity Difficulty

11 Mystery Number 5

(1.81)

(3.25)
12 Rex and Ralph: Mystery Number

(2.64)

(3.24)
13 Glue Factory Stakes

(2.86)

(3.24)
14 Doubling Dice Game

(2.36)

(3.24)
15 Prisoners and 2 Switches - Scenario A

(2.92)

(3.23)
16 Five Cousins

(2.72)

(3.23)
17 Word Sums

(2.65)

(3.23)
18 Rex and Ralph: Polygonal House

(2.36)

(3.23)
19 Hail to the Chef

(2.95)

(3.22)
20 World of Nerds

(2.84)

(3.21)

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