The Contra series first game was Contra released on 31st December 1987.
1987
Contra
31st December 1987
1988
9th February 1988
31st December 1988
1990
Super Contra
2nd February 1990
28th December 1990
31st December 1990
1992
Contra III: The Alien Wars
31st March 1992
Contra Force
30th September 1992
1994
Contra: Hard Corps
8th August 1994
1995
Contra: The Alien Wars
31st January 1995
1998
C: The Contra Adventure
31st August 1998
2002
3rd November 2002
Contra Advance: The Alien Wars EX
3rd December 2002
2006
25th May 2006
2007
16th January 2007
Contra 4
13th November 2007
2013
27th November 2013
2015
6th November 2015
2016
12th May 2016
27th September 2016
2019
Contra: Rogue Corps
24th September 2019