Mortal Kombat: Onslaught has never been released for PC, so it has no PC system requirements. It came out on iOS, Android.
Running Mortal Kombat: Onslaught on a computer
There is no emulator for iOS, Android that this site will point you at.
Games of the same series that run on PC
Mortal Kombat 1
Mortal Kombat Kano's Dungeon
Mortal Kombat 11
Mortal Kombat X
Mortal Kombat Komplete Edition
Mortal Kombat Arcade Kollection
Where Mortal Kombat: Onslaught can be played
Platforms: iOS, Android.
