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Puzzle Cache

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I've been geocaching for 7 months ...so far I've solved 7 puzzle caches...now I'm working on GC_____. I did the so called "credit check" but I must not have done it properly as "no light came on"! As for "It's all in the cards" hint I'm wondering if it's referring to playing cards as opposed to the credit cards...then there's the hint: "This should get the gears going...21" whatever that means & finally, there's the hint: "How about checking some thing else like 4253" which, evidently, is the defining clue to really solidify as to whether or not you're on the right track. Does this make any sense to any of you expert puzzle solvers? Can any of you help me? Obviously, there's some kind of abstract reasoning that I've never been exposed to before...so any help would be much appreciated.



Edited by Keystone
GC Code removed by moderator
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According to section 4 of the geocaching.com terms of use, "You agree not to: [...] (m) Publish, on any Groundspeak owned web property, the solutions, hints, spoilers, or any hidden coordinates for any geocache without consent from the cache owner." However, here are some general puzzle tips (based in part on a puzzle-solving class event presented by The Rat a while ago):


Identify the theme. Check the cache title, the hint, the HTML source, the graphics (including names/URLs), any links (including URLs), whatever is at the posted coordinates, etc. If you can figure out the theme, then you should look for numbering systems that are associated with that theme (zip codes, athletes’ jersey numbers, episode numbers, product codes, etc.).


Around here, coordinates will have 15 digits, and will look like "N 37° xx.xxx W 122° xx.xxx". So when I'm solving a nearby puzzle, I look for a group of 15 things, and then I look for ways to get the digits 37xxxxx122xxxxx from them. In general, I look for ways to get the number 37 (or the digits 3 and 7) from something near the beginning of the puzzle, and the number 122 (or the digits 1, 2, and 2) from something near the middle of the puzzle. (Of course, you'll need to adjust this for the coordinates near you.)


Other useful resources include:

Puzzle Solving 101 Series (bookmark list)

Puzzle Shortcuts Series (bookmark list)

Solving Puzzle Caches (online article)

How Do I Solve All These $@! Puzzle Caches? (tutorial-style puzzle cache)

Puzzle FUNdamentals (archived event cache) and the Puzzle FUNdamentals resources on the GeocacheAlaska! education page

The GBA's Puzzle Cache FAQ (for puzzle designers, but useful for understanding how puzzle caches work)


If you’re interested in extremely challenging puzzles, then consider the online discussions of Venona’s ACTIVITIES in the GBA forums. The puzzles for this annual event are very challenging, intended to be solved by multiple people working together online. (You'll need to register on the GBA site to view these forum threads.)

Overview: Venona's 2011 ACTIVITIES

Overview: Venona's 2012 ACTIVITIES

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