Timeline
12/07/1991 : Bomber King 2 (ボンバーキング 2) - JPN
03/12/1991 : Blaster Master Boy - USA
19/03/1992 : Blaster Master Junior - NOE
16/04/1992 : Blaster Master Junior - FRG
22/07/1992 : Blaster Master Junior - ESP
No date appears : Blaster Master Jr. - CHN