If you want to play Mortal Kombat 11 legally, here are lawful options:
This mod transforms the classic Mortal Kombat Unchained engine to mimic the modern Mortal Kombat 11 experience while keeping the file size highly compressed for mobile users. mortal kombat 11 ppsspp iso file download 300mb work
The current build of MK11 is 106GB when I'm looking at the file size. Steam Community Mortal Kombat 11 Storage Requirements on Nintendo Switch If you want to play Mortal Kombat 11