In this latest instalment in the Ryuusei no Rockman series, the title character, Ryuusei, is forced to fight in a war against a mad, mad scientist, Dr.Z, in order to save the world from his nuclear-powered rock machines. As the titular Rockman 2 begins its exciting journey through online multiplayer and diary-like singleplayer mode, players will face numerous challenges and obstacles, some which are even difficult to avoid. including assistance from the likes of Sonic the Hedgehog and Sonic the Hedgehog 2, as well as familiar faces like Sonic X, Sonic seriesite, Sonicnet, and Tails from Sonic Adventure. as he goes along, Ryuusei is Everyman, and this man is always ready to help out anyone and everyone he meets. His strength and speed are not enough, and he is not afraid to use his fists, words, and stones. as he goes about his days, he is always looking for new challenges and opportunities to save the world from the rock machines, which he knows are coming. If he can just stop one day, he would have made a difference in the world.