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Often cited as the peak of the original era, MKII expanded every mechanic and deepened the lore.

The game that started it all introduced the world to the Shaolin tournament and seven legendary fighters: Liu Kang, Johnny Cage, Sonya Blade, Kano, Raiden, Scorpion, and Sub-Zero. mortal-kombat-1-2-3

Used digitized actors instead of hand-drawn sprites for a "realistic" look. Often cited as the peak of the original

The third installment modernized the series with a "Run" button and complex "Dial-a-Combo" systems. mortal-kombat-1-2-3

Featured Reptile, the first secret unplayable opponent in fighting game history. Mortal Kombat II (1993)

Shifted the tournament to Outworld, ruled by the evil Emperor Shao Kahn. Mortal Kombat 3 & Ultimate MK3 (1995)