Hard
Mind-Bending Impossible Riddles
25 XP

The Blue Eyes Island

4,050 solved 67% solve rate 33% fail rate
100 logicians with blue eyes on island. Guru says 'I see someone with blue eyes.' Everyone must leave when they know their eye color. When do they leave?
Only 67% solve this correctly
4,050 attempts
Earn +25 XP for solving
Quick Answer & Explanation
Night 100

The answer to this riddle is Night 100. Difficulty: Hard ยท Solved by 4,050 puzzle lovers.

Think carefully about the key words: Night 100
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