Ported to PSP as part of Gradius Collection, for a proper North American release.
PC Engine port released on the Wii Virtual Console in all regions and all regional versions of the PC Engine Mini.Ported to Famicom, PC Engine CD-Rom, X68000, and Japanese cellphones.
Gradius II: GOFER no YabÅ (1988, arcade not to be confused with Gradius 2).Ported to Japanese Saturn and Playstation in Konami Antiques MSX Collection.Gradius 2 (1987, MSX Nemesis 2 in Europe).Life Force (Japanese arcade version, with completely overhauled graphics and a Gradius-style power-up system).Life Force (American arcade version, with changed plot and some changed backgrounds).Ported as part of Arcade Classics Anniversary Collection to XBOX One, PS4, Switch and Steam, with both regional versions for each version ( Salamander for Japan, US/EU Life Force elsewhere) following an initial update.
Ported as part of Gradius Collection to the PSP.Ported as part of Konami Classics to the DS.Ported as part of Gradius Deluxe Pack to the Japanese Saturn, PS, and PC.PC Engine port included in the PC Engine Mini, including both the original release as is and a "near arcade" Easter Egg version with a rearranged soundtrack and color palette shifts to better resemble the arcade version within the PC Engine's technical constraints.
Gradius" coin-op version in the Arcade Archives series on the eShop).