Timeline
08/01/1991 : Contra (コントラ) - JPN
29/12/1990 : Operation C - USA
25/04/1991 : Operation C - USA
03/10/1991 : Operation C - USA
10/12/1991 : Probotector - AUS
12/12/1991 : Probotector - NOE
30/01/1992 : Probotector - ITA
30/01/1992 : Probotector - SCN
19/02/1992 : Probotector - ASI
17/07/1992 : Probotector - UKV
31/07/1992 : Probotector - FAH
09/12/1992 : Probotector - GPS