Mega Man 2/Walkthrough

Control Pad
Left: Mega Man will move to the left.

Right: Mega Man will move to the right.

Up: Mega Man will climb a ladder.

Down: Mega Man will climb down a ladder.

Start and Select Buttons
Start: Opens the weapon sub-screen.

Select: Pauses the game.

A and B Buttons
A button: Jump.

B button: Shoot.