Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (10)
| Gradius | May 29, 1985 | Main Game | 75 | 69 | 72 |
| Salamander | Jul 4, 1986 | Main Game | 72 | 70 | 71 |
 Nemesis 2 | Aug 22, 1987 | Main Game | – | 81 | 81 |
 Vulcan Venture | Mar 1, 1988 | Main Game | – | 70 | 70 |
| Gradius III | Dec 11, 1989 | Main Game | – | 70 | 70 |
 Gradius: The Interstellar Assault | Aug 9, 1991 | Main Game | – | 69 | 69 |
 Gradius IV: Revival | Feb 4, 1999 | Main Game | – | 52 | 52 |
 DreamMix TV World Fighters | Dec 18, 2003 | Main Game | – | 54 | 54 |
 Gradius V | Jul 22, 2004 | Main Game | 85 | 75 | 80 |
 Gradius ReBirth | Sep 2, 2008 | Main Game | 80 | – | 80 |