Series
Ikari no Yousai
3 games on IGDB
Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (2)
| Fortified Zone | Feb 26, 1991 | Main Game | 70 | 66 | 68 |
| Operation Logic Bomb | Apr 23, 1993 | Main Game | – | 60 | 60 |
Series
3 games on IGDB
Each point is one game's rating·dashed lines show each series' overall trend
| Fortified Zone | Feb 26, 1991 | Main Game | 70 | 66 | 68 |
| Operation Logic Bomb | Apr 23, 1993 | Main Game | – | 60 | 60 |