: These characters can be unlocked in the main menu using specific button combinations. For Scorpion , hold L2 and press Square, Up, L1, R1, Left, Right, Square. For Sub-Zero , hold L2 and press Square, Down, Up, L1, L1, Up, Square.
| Format | Description | Pros | Cons | | :--- | :--- | :--- | :--- | | | A compressed ISO format that originated on the PSP. It uses algorithms like deflate and LZ4, and the maxcso tool is a popular method for converting ISOs into CSO files. | Significantly reduces file size, and some games can see performance improvements if the original ISO is on a slow hard drive, as the smaller compressed file reads faster. | May introduce minor compatibility issues with some software, especially when using larger block sizes. | | CHD | A lossless compression format developed for MAME (a multi-system emulator), which is used to compress disk images from various systems without any loss of quality. | Provides excellent compression ratios while being completely lossless for the game data. The conversion process ( chdman ) can be automated for entire libraries, and the resulting CHD files are directly playable in modern versions of PCSX2. | It's a less common format in the PS2 emulation scene compared to CSO. | | ZSO | A newer format supporting LZ4 compression, which offers faster decompression speed, and can be created using the maxcso tool as an experimental option. | Offers faster decompression, which can lead to snappier load times. | It's still an experimental format, so compatibility with older software may be limited. | : These characters can be unlocked in the
Standard PlayStation 2 DVD rips generally occupy between 2 GB and 4.5 GB of storage space. A highly compressed ISO uses advanced archiving algorithms (such as .7z , .RAR , or .CHD formats) to strip away dummy data and compress the core game files. Key Benefits | Format | Description | Pros | Cons
Released in 2005 by Midway, this game took the brutal lore of MK and fused it with God of War style exploration and Streets of Rage combat. But in 2026, physical discs are rare, and original PS2 hardware is aging. Enter the world of . | May introduce minor compatibility issues with some