Mega Man 4 was developed with a new series of events and continues the story of Mega Man 3. One year after the end of Mega Man 3, a new villain appeared and he was named Dr. Cossack. The new villain has built an army of his own and invaded eight different cities with the aim of dominating the world like Dr. Willy. Each city is controlled by a different Robot Master. Similar to the previous 3 versions, each Robot Master will have a unique system of weapons and combat skills. Therefore, you need to calm and overcome many different attacks of the enemy. In Mega Man 4, players continue to choose 1 of 8 Robot Master to fight without exploring in a fixed sequence. Besides, defeating Robot Master helps Mega Man collect their special weapons which unique for each boss to help you use many different attack skills. From there, you can defeat enemies quickly with many new fighting styles. After defeating 8 bosses in 8 cities, there will be 2 new side quests open for you to end the game.
