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Wednesday, April 19, 2006

Perplex City - The Thirteenth Labour

Well, for some time now, I've been wrapped up in an alternate reality game called Perplex City. It is basically a world wide all-medium treasure hunt.

Anyway, you can find out more about it at the link, and even do a couple of sample puzzles once you sign up at the site.

The perplex city puzzles are a collection of 256 cards, each with an individual puzzle on. The puzzles range in difficulty from easy to astronomically difficult, indicated by the colour of the border from Red (easy) to Silver (hard). This border colour is also indicative of the rarity of the card.

One such silver card, #251 - The Thirteenth Labour still remains unsolved after quite a long period of time. It is believed that this card requires brute force decoding of RC5 encoded plaintext, and members of the large community (23000+ members at last count) have produced a distributed client for the purpose of solving this card.

The client and more information can be obtained by visiting the following link:




Hopefully, the release of this client heralds the beginning of the end for card #251!

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