Grepolis Worlds By facebooker_725768242 Period: Jan 14, 2010 to Jun 2, 2013 En1 Alpha Period: Jan 21, 2010 to May 29, 2013 en2 Beta Period: Feb 4, 2010 to Jun 2, 2013 En3 Gamma Period: Mar 4, 2010 to May 26, 2013 En4 Delta Period: Mar 11, 2010 to Oct 30, 2012 en5 Epsilon Period: May 5, 2010 to Nov 7, 2012 en6 Zeta Period: May 21, 2010 to Nov 18, 2012 en7 Eta Period: Jun 16, 2010 to Dec 25, 2012 en8 Theta Period: Aug 9, 2010 to Oct 20, 2012 En9 Iota Period: Oct 12, 2010 to Sep 20, 2012 En10 Kappa Period: Nov 1, 2010 to Sep 27, 2012 en11 Lambda Period: Nov 18, 2010 to May 26, 2013 en12 Mu Period: Dec 9, 2010 to Aug 1, 2012 en13 Nu Period: Jan 31, 2011 to Jul 2, 2012 en14 Xi