Shadow XS is a Flash game that was available on the official 4Kids website. You play as "Shadow Xs", and have to get to the end of the level while collecting rings and defeating enemies. It is a version of Sonic XS, with a different level layout.

Shadow XS is a Flash game that was available on the official 4Kids website. You play as "Shadow Xs", and have to get to the end of the level while collecting rings and defeating enemies. It is a version of Sonic XS, with a different level layout.