The Mass Effect series first game was Mass Effect released on 16th November 2007.
2007
Mass Effect
16th November 2007
2010
Mass Effect 2
26th January 2010
2011
18th January 2011
2012
Mass Effect 3
6th March 2012
Mass Effect 3 - N7 Collector's Edition
6th April 2012
Mass Effect 3: Special Edition
18th November 2012
4th December 2012
2017
Mass Effect: Andromeda
21st March 2017
Mass Effect: Andromeda - Deluxe Edition
2021
Mass Effect Legendary Edition
14th May 2021