The derp worlds are monthly freebuilds.

Starting Sept 2013, the rotation changed to make a new derp world every 2 months.
[ICO]NameLast modifiedSizeDescription

[PARENTDIR]Parent Directory  -  
[   ]derp-2015-07.7z2015-10-31 18:56 11MDerpworlds
[   ]derp-2013-11.7z2014-03-01 12:01 8.9MDerpworlds
[   ]derp-2014-01.7z2014-05-01 02:25 7.2MDerpworlds
[   ]derp-2013-09.7z2014-01-01 12:01 7.1MDerpworlds
[   ]derp-2013-04.7z2013-06-02 00:28 6.8MDerpworlds
[   ]derp-2014-05.7z2014-09-01 09:31 6.7MDerpworlds
[   ]derp-2015-03.7z2015-09-01 07:16 6.6MDerpworlds
[   ]derp-2014-09.7z2014-12-31 09:01 5.5MDerpworlds
[   ]derp-2015-01.7z2015-04-30 19:41 5.5MDerpworlds
[   ]derp-2015-09.7z2016-01-01 20:07 5.2MDerpworlds
[   ]derp-2013-08.7z2013-11-01 11:01 5.2MDerpworlds
[   ]derp-2016-01.7z2016-05-01 15:50 5.1MDerpworlds
[   ]derp-2013-07.7z2013-09-01 01:31 5.0MDerpworlds
[   ]derp-2013-06.7z2013-08-01 10:15 4.5MDerpworlds
[   ]derp-2013-02.7z2013-04-01 11:01 4.5MDerpworlds
[   ]derp-2014-03.7z2014-07-01 11:02 4.4MDerpworlds
[   ]derp-2016-03.7z2016-05-29 22:40 4.3MDerpworlds
[   ]derp-2013-01.7z2013-03-02 09:09 4.3MDerpworlds
[   ]derp-2015-11.7z2016-02-29 19:46 3.9MDerpworlds
[   ]derp-2016-05.7z2016-05-29 22:40 3.4MDerpworlds
[   ]derp-2013-05.7z2013-07-01 11:01 3.1MDerpworlds
[   ]derp-2013-03.7z2013-05-01 11:11 2.4MDerpworlds
[   ]derp-2012-12.7z2013-02-01 12:40 1.9MDerpworlds
[   ]derp-2014-11.7z2015-03-01 12:00 1.6MDerpworlds

Apache/2.4.41 Server at kilorat.com Port 80