In the best tradition of Mega Man, and in the strictest sense of the word originality, go to the right as soon as the level starts. In a moment you will find some birds that will throw rocks at you; if you can, kill them because they are a pain in the kidneys as they can make a good deal of damage.
After you end with the birds, you will come to an area covered by pits, be careful as this area can be tricky as enemies will fly out from the pits and they will shoot you. The trick to defeat them is quite simple; don’t go completely near the pits, just go the required distance to make the enemies pop out completely and then you can proceed to shoot them. But be careful right now; you don’t have enough strength and a simple shot can be harmful.
When you finish with the pits, you can go to the next scene. In the new room, an old enemy from Mega Man 1 will appear; the sliding mines that will explode if touched, but at least in this game if you shoot at them they will freeze for a small fraction of time. To beat this room, you have to jump through a series of platforms and mines, so you have to time your jump and the mine position if you want to go to the top.
After you finish with the platforms you will be facing a trio of elephant themed mini-bosses. The first one is easy, just start shooting at his ball and after a few hits he will be defeated, then jump into the ladder to go to the next scene and you will find another similar enemy as the last one you faced. This is one is completely different from the last one in terms of strategy. Quickly go and run to the ball as you enter the room, it will hop over your head, start shooting and when it reaches each one of the ends of the room go to the opposite direction to avoid being sucked up.
The last elephant is a little bit difficult but it can be defeated with some patience. He will go across the room like a spider, so you have to jump over him from time to time, then he will stop and he will try to suck you up, so run to the opposite direction. The only moment when you can shoot at him is when he is between the platforms and the pits.
The next room is linear, shoot the enemies down and there is a large energy capsule that can be obtained only when you get the Hornet Chaser, otherwise don’t try it.
There is no real strategy against concrete man, and even though this boss is quite easy it can be a pain to defeat because of the randomness. If he tries to ram into you, dodge and shoot at him when you are behind him. If he attacks with his concrete shot, doge the shot and avoid the blocks by jumping; if he jumps into the air, go to one side of the room and when he lands shoot at him. After a few shots he will be defeated.