Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (9)
| Earth Defense Force 2017 | Dec 14, 2006 | Main Game | 73 | 70 | 72 |
 Earth Defense Force: Insect Armageddon | Jul 5, 2011 | Main Game | 70 | 70 | 70 |
 Earth Defense Force 2025 | Jul 4, 2013 | Main Game | 73 | 80 | 77 |
 Earth Defense Force 4.1: Wing Diver the Shooter | Nov 22, 2017 | Main Game | 63 | 70 | 67 |
| Earth Defense Force 5 | Dec 7, 2017 | Main Game | 67 | 71 | 69 |
 Earth Defense Force: Iron Rain | Apr 11, 2019 | Main Game | 72 | 60 | 66 |
 Earth Defense Force: World Brothers | Dec 24, 2020 | Main Game | 77 | – | 77 |
 Earth Defense Force 6 | Aug 25, 2022 | Main Game | 78 | 70 | 74 |
 Earth Defense Force: World Brothers 2 | May 23, 2024 | Main Game | 86 | – | 86 |