| name | Masato Nakamura |
| file | SonicGenesis GBA US manual.pdf |
| filepage | 18 |
| name | Masato Nakamura |
| file | Sonic1&2CaseInterior.jpg |
| filepage | |
| name | Masato Nakamura |
| file | GoSega60thAnniversaryAlbum CD JP Booklet.pdf |
| filepage | 20 |
| name | Masato Nakamura |
| file | Sonic the Hedgehog SMS credits.pdf |
| filepage | |
| name | Masato Nakamura |
| file | Sonic the Hedgehog v1.1 GG credits.pdf |
| filepage | |
| name | Masato Nakamura |
| file | Sonic the Hedgehog 2 MD credits.pdf |
| filepage | |
| name | Masato Nakamura |
| file | Sonic Jam Saturn credits.pdf |
| filepage | |
| name | Masato Nakamura |
| file | Sonic Advance GBA credits.pdf |
| filepage | |