Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (6)
| Metal Gear | Jul 13, 1987 | Main Game | – | 74 | 74 |
| Metal Gear 2: Solid Snake | Jul 20, 1990 | Main Game | – | 81 | 81 |
| Metal Gear Solid | Sep 3, 1998 | Main Game | 80 | 90 | 85 |
 Metal Gear: Ghost Babel | Apr 24, 2000 | Main Game | – | 78 | 78 |
 Metal Gear Acid | Dec 16, 2004 | Main Game | 73 | 76 | 74 |
 Metal Gear Survive | Feb 20, 2018 | Main Game | 60 | 30 | 45 |