Play as Shadow the Hedgehog, a rebel haunted by his dark and mysterious past who must fight alone to discover his true identity. His only hope is to collect the seven Chaos Emeralds in order to uncover the secrets of his past and the shape of his future. The planet is under attack by a powerful alien force and the future of Westopolis is under threat. Government troops are battling anyone they can't trust. With Dr Eggman hunting the Chaos Emeralds for his own evil ends and Sonic and the gang playing their part, the fight is on and time is running out for Shadow to decide which side he will choose. Take full control of the story behind Shadow...Master Shadow's unique special powers, including Chaos Control to manipulate both time and space and Chaos Blast for ultimate destruction.Steal a variety of weapons and vehicles from both sides, including alien craft, government vehicles and laser guns.With more than 50 unique missions, branching paths and multiple endings, it's a new experience every time you play. Don't forget, to save your game you will need a PS2 memory card.