Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (4)
| Casper | Sep 15, 1996 | Main Game | 40 | 71 | 55 |
| Casper: Friends Around the World | Dec 16, 2000 | Main Game | – | 50 | 50 |
| Casper: Spirit Dimensions | Sep 30, 2001 | Main Game | – | 19 | 19 |
 Casper | Dec 31, 2002 | Main Game | – | 57 | 57 |