Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (6)
| Alex Kidd in Miracle World | Nov 1, 1986 | Main Game | – | 66 | 66 |
| Alex Kidd: The Lost Stars | Dec 10, 1986 | Main Game | – | 56 | 56 |
 Alex Kidd: High-Tech World | Jul 19, 1987 | Main Game | – | 50 | 50 |
 Alex Kidd: BMX Trial | Nov 5, 1987 | Main Game | – | 50 | 50 |
| Alex Kidd in the Enchanted Castle | Feb 10, 1989 | Main Game | – | 69 | 69 |
 Alex Kidd in Shinobi World | Sep 1, 1990 | Main Game | – | 60 | 60 |