Mega man 4 (rock man IV)

Overview:

Mega Man 4 was the first game in which it was not known that Dr. Wily was the villain, using a new antagonist until the end, Dr. Cossack. The game also introduced the New Mega Buster, an upgraded version of Mega Man's Mega Buster. This upgrade allows him to charge his shots for more damage. Eddie, a robot that gives Mega Man a random item, was also introduced.

Story: 

Dr. Wily is assumed to be dead after his crushing defeat in the end of Mega Man 3. (Groan. I know—bad pun.) A new scientist enters the scene to take Wily’s place after an entire year of peace. This new scientist, Dr. Cossack, claims to be angered at Mega Man and his creator for always overshadowing his own robotic creations. Of course, in reality Dr. Cossack’s daughter Kalinka was being held hostage by the all-too-alive Dr. Wily, who forces Cossack to (attempt to) destroy Mega Man in return for Kalinka’s safety. Luckily for Dr. Cossack, Proto Man frees Kalinka before long—this is lucky because the scientist would never have stood up to the might of Mega Man!

From the instruction manual:

Good Evening, Dr. Light. Allow me to introduce myself - I am Dr. Cossack. You may not have heard of me, but soon the world will know my name.

Over the years, you have been hailed as the greatest robot designer in the world, while my robotic creations have been totally ignored. I cannot allow this to continue. The world must be made aware of my genius!

From my Siberian citadel, I've sent eight of my most powerful robots to destroy that titanium troublemaker, Mega Man. Once they have obliterated him, I will place his broken body on display for the entire world to see. Only then will I be allowed to take my place as the greatest robot designer of all time!

Dr. Cossack

Cossack's army of robots began to make their move, so Mega Man went after Cossack with his New Mega Buster.

After defeating the robots and Dr. Cossack, Mega Man discovers that Cossack's daughter Kalinka had been kidnapped by Dr. Wily (who was very much alive and, it appears, hiding in Russia) to make Cossack work for him, but luckily Proto Man betrays Wily and rescues her. Mega Man heads to Wily's citadel and defeats him once more.

Bosses: 

Robot masters

Model No: DWN-025 Name: Bright Man  Weapon: Flash Stopper  Weakness: Rain Flush

Model No: DWN-026 Name: Toad Man   Weapon: Rain Flush        Weakness: Drill Bomb

Model No: DWN-027 Name: Drill Man     Weapon: Drill Bomb       Weakness: Dive Missile

Model No: DWN-028 Name: Pharaoh Man Weapon: Pharaoh Shot  Weakness: Flash Stopper

Model No: DWN-029 Name: Ring Man       Weapon: Ring Boomerang Weakness: Pharaoh Shot

Model No: DWN-030 Name: Dust Man      Weapon: Dust Crusher    Weakness: Ring Boomerang

Model No: DWN-031 Name: Dive Man      Weapon: Dive Missile    Weakness: Skull Barrier

Model No: DWN-032 Name: Skull Man     Weapon: Skull Brarrier   Weakness: Dust Crusher

Fortress Bosses

Dr. Cossack's Citadel:

• Mothraya
  
• Square Machine
  
• Cockroach Twins
  
• Cossack Catcher
  

Wily Castle:

• Metall Daddy
  
• Tako Trash
  
• Rematch with the Robot Master and Wily Machine 4
  
• Wily Capsule
  

Gallerys:

 

Srceenshots:

Ending:

This was one of the first games where Wily’s fortress blows sky high, but certainly not the last. 

The cloud resulting from the explosion is in the shape of a skull...a cute joke that’s a little overused later on...oh well. Basically, Dr. Wily begs for a bit, then alarms start going off. Wily jumps up and escapes through a secret door. Mega Man teleports out. Then you see the fortress from the outside—Wily’s saucer flies away just in time for the castle to kabooom!

Mega Man rides home on top of a monorail car (he always rides on top...saves fare, I guess!). He has his helmet off the entire time. Rush and Roll meet him when he arrives at his “stop” and the screen freezes there. Credits scroll (to Mega Man’s theme song again!). At the end, Eddie appears to toss out the letters that spell CAPCOM. Then he stands there blinking until you hit RESET or turn off the power.