| Filename | Type | Size |
|---|---|---|
| Sonic the Hedgehog 4 - Episode I (Europe) (WiiWare) | WAD Format | 46.5 M |
| Sonic the Hedgehog 4 - Episode I (Japan) (En) (Beta) (WiiWare) | WAD Format | 38.56 M |
| Sonic the Hedgehog 4 - Episode I (Japan) (v0) (WiiWare) | WAD Format | 38.56 M |
| Sonic the Hedgehog 4 - Episode I (Japan) (v256) (WiiWare) | WAD Format | 46.5 M |
| Sonic the Hedgehog 4 - Episode I (USA) (WiiWare) | WAD Format | 46.5 M |
