Can you solve the famously difficult green-eyed logic puzzle? – Alex Gendler

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One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the answer to one famously difficult logic puzzle. Can you solve it? Alex Gendler walks us through this green-eyed riddle.

Lesson by Alex Gendler, animation by Artrake Studio.

5 Comments

  1. @randomyoutubecommenter2863 on September 27, 2026 at 12:57 pm

    why not just say β€œat least 99 of you have green eyes” so they can leave the next day

  2. @Chalkboard-08 on September 29, 2026 at 11:52 am

    i think now i can sovle it

  3. @Sk3ltn-OM3N on September 30, 2026 at 2:27 pm

    just spill the water vro.πŸ’€πŸ₯€β˜ οΈπŸ™βœŒοΈ

  4. @artemis477 on October 3, 2026 at 11:35 am

    Could you not say “one of you does not have green eyes”? That isn’t new information because it’s incorrect, and everyone would assume it was them at first because everyone else has green eyes, but when the other 99 people don’t leave they can figure out that I lied

  5. @Ryan-d3j on October 4, 2026 at 10:36 pm

    Imagine if you were the only brown-eyed person on the island and you’re excited to escape but then everyone ditches you on night 99 😭😭πŸ₯€

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