1.
Gradius [Model GX400] (1985, ARC)
2.
Gradius 2 [Model RC751] (1987, MSX)
3.
Gradius II - GOFER no Yabou [Model GX785] (1988, ARC)
4.
Gradius III - Densetsu Kara Shinwa-e [Model GX945] (1989, ARC)
5.
Nemesis '90 Kai [Model GS-166] (1993, X68K)
6.
Solar Assault - Gradius (1997, ARC)
7. Gradius Gaiden (1997, PSX)
8.
Gradius IV - Fukkatsu (1998, ARC)
9.
Gradius Generation [Model AGB-AGAJ-JPN] (2001, GBA)
10.
Gradius V [Model SLPM-62462] (2004, PS2)
11.
Gradius Neo (2004, NTT DoCoMo i-mode Phones)
12. Gradius Neo Imperial (2005, NTT DoCoMo i-mode Phones)
13. Gradius Wide (2007, NTT DoCoMo i-mode Phones)
14. Gradius Rebirth [Model RVL-WGDJ-JPN] (2008, WII)
