The original PSP games are typically 1.2 GB to 1.8 GB in size. However, a fan-made "Mortal Kombat X" conversion (usually based on Mortal Kombat: Unchained or heavily modded MK9 assets) can be shrunk down to through:
Mortal Kombat X was never officially released for the Sony PSP, you can play a highly customized version of Mortal Kombat Unchained The original PSP games are typically 1