How to play METAGAL on Mac

"METAGAL is an 2D platformer action game. You will take the shoes of "Meta", a cyborg girl, in her quest to rescue her Creator "Dr Ray" from the hands of "General Creeper", the evil leader of a rogue army!! Also Metagal's sisters, were kidnapped by Creeper: he turned them in battle cyborgs, in order to use their powers to rule the world!! Meta must face her sisters, free them, and copy their abilities. She must fight for 8 stages of intense action, and prepare herself for the final confrontation against Creeper himself! - Classic jump and shoot style platformer. - 8 levels with unique environment,detailed design and different gimmick. - 30 Enemies types not including Boss - Defeat Gal No.# Boss and use their weapon. - Collect secret items to power up your character. - Soft death penalty with "Gear" system allows player to resolve their mistakes with less frustration."