Additional Episode "Sonic Boss Attack"
![Additional Episode "Sonic Boss Attack" Additional Episode "Sonic Boss Attack"](https://download-ssl.xbox.com/content/images/66acd000-77fe-1000-9115-d802534507d6/1042/boxartlg.jpg)
Play Consecutive Boss Battle Mode for Sonic. You need to complete Sonic Episode to play all the stages in this mode. 이 항목은 환불받을 수 없습니다. 자세한 내용은 www.xbox.com/live/accounts를 참조하십시오.
![Additional Episode "Sonic Boss Attack" Additional Episode "Sonic Boss Attack"](https://download-ssl.xbox.com/content/images/66acd000-77fe-1000-9115-d802534507d6/1042/boxartlg.jpg)
- 2007-03-20
- SEGA
- Sega
- 액션 & 어드벤처