By lefalaf, Oct 2009 - April 2013. Difficulty -

A Smile to Brighten Your Day

By EastVillageFamily, Feb 2007 - Oct 2009. Difficulty - 15 days

Baseball Burlesque

By childofatom, Mar 2008 - Jun 2010. Difficulty - 23 days

Measuring Circles

By EastVillageFamily, Apr 2007 - Nov 2009. Difficulty - 7 days

Pale Male

By EastVillageFamily, Mar 2008 - Apr 2009. Difficulty - 15 days

Playing by the Rules

By childofatom, Oct 2007 - Aug 2009. Difficulty - 10 days

Required Reading

By Fifinella & G.O. Cash, Mar 2009 - Nov 2009. Difficulty - 15 days

Trees of Ireland

By childofatom, Sep 2007 - Nov 2008.  Difficulty - 12 days

West Side Zoo

A companion list to the [url=http://www.geocaching.com/bookmarks/view.aspx?guid=8e2448d9-c358-458d-a5b3-d75f493efb54]Dastardly Manhattan Puzzle Caches[/url] list.  The following are Dastardly puzzles that have run their course and been retired.

Please check out [url=http://www.geocaching.com/bookmarks/view.aspx?guid=8e2448d9-c358-458d-a5b3-d75f493efb54]Dastardly Manhattan Puzzle Caches[/url] for a current list.

Difficulty for is crudely estimated by calculating the average number of days between finds. (Obviously this is not a perfect measure, but bear with me.)
.

Dastardly Manhattan Puzzle Caches - ARCHIVED.list-details-1wr9x6v{text-transform:uppercase;font-size:12px;}@media screen and (min-width: 600px){.list-details-1wr9x6v{font-size:1.25rem;}}.list-details-1wr9x6v.shareable{color:#87705a;}.list-details-1wr9x6v.public{color:#00b265;}Public

Dastardly Manhattan Puzzle Caches - ARCHIVEDPublic