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The Cartographer's Lie
A daily logic puzzle: every clue is true, one hex is a lie
Somewhere on today's map, one hex is drawn as something it is not. You get four survey notes, and every one of them is true. Only one hex can satisfy all four at once; that hex is the liar. "The lie touches exactly 0 reefs." "The lie is drawn on reef or heath." Put those together and every reef is dead. You are not guessing, you are proving. One map a day, the same one for everyone, about three minutes. Free in the browser, no account.
Every note the cartographer gives you is true. The only thing that lies is the map itself.
One hex is drawn as something it is not. You get four honest notes, and exactly one hex on the island can satisfy all of them at once.
A recent chart told me the lie touched no reefs, and that it was drawn on reef or heath. Every reef on that island sat beside another reef. Heath, then, and I had not marked a thing yet.
That is the whole game: the moment you stop guessing and start knowing.
One island a day, four difficulties, about three minutes. Free in the browser with no account.
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About The Cartographer's Lie on Product Hunt
“A daily logic puzzle: every clue is true, one hex is a lie”
The Cartographer's Lie was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #143 on the daily leaderboard. Somewhere on today's map, one hex is drawn as something it is not. You get four survey notes, and every one of them is true. Only one hex can satisfy all four at once; that hex is the liar. "The lie touches exactly 0 reefs." "The lie is drawn on reef or heath." Put those together and every reef is dead. You are not guessing, you are proving. One map a day, the same one for everyone, about three minutes. Free in the browser, no account.
The Cartographer's Lie was featured in iOS (110.8k followers), Puzzle Games (4.3k followers) and Games (98.8k followers) on Product Hunt. Together, these topics include over 70.2k products, making this a competitive space to launch in.
Who hunted The Cartographer's Lie?
The Cartographer's Lie was hunted by Kevin Marsh. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Kevin Marsh
Every note the cartographer gives you is true. The only thing that lies is the map itself.
One hex is drawn as something it is not. You get four honest notes, and exactly one hex on the island can satisfy all of them at once.
A recent chart told me the lie touched no reefs, and that it was drawn on reef or heath. Every reef on that island sat beside another reef. Heath, then, and I had not marked a thing yet.
That is the whole game: the moment you stop guessing and start knowing.
One island a day, four difficulties, about three minutes. Free in the browser with no account.
Tell me which note held you up longest.