Ushi No Tane Forum

So
RF1-----------------------1st
RF2-----------------------2nd
RF3-----------------------3rd?
RFF-----------------------4th?
RFToD--------------------5th?
RF4----------------------6th







the ? means i`m not sure

If you are going by Japanese release dates, then it goes:

Rune Factory 1 - August 24, 2006
Rune Factory 2 - January 3, 2008
Rune Factory Frontier - November 27, 2008
Rune Factory 3 - October 22, 2009
Rune Factory: Tides of Destiny - February 24, 2011
Rune Factory 4 July 19, 2012

They were all released so soon one after the other ;.;