The First 15 Minutes of Mega Man Anniversary Collection: Mega Man (GameCube)

Copied from MobyGames:

In the future city of Monsteropolis, the use of robot labour has helped civilization grow more than ever. At the forefront of this technology is Dr. Light and Dr. Wily, who are commissioned to build six robots to handle a variety of specific tasks. Dr. Wily, however, chooses to take control of the robots and let loose destruction in a bid for world control. Dr. Light fights back with the best tool he has, an experimental human-like robot, Rock. Now properly armed, it's up to Mega Man to take on the maverick robots, fight Dr. Wily, and end this madness.

Mega Man is a side-scrolling platformer. Mega Man has the ability to jump and fire his weapon. He must travel to the levels of the six robot masters and defeat them in combat. By doing so, Mega Man is able to acquire their power for his own. These powers can then be used interchangeably with his main weapon.

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