| Platform | Original ISO Size | Highly Compressed Size | Space Saved | | :--- | :--- | :--- | :--- | | PC (PCSX2) | 8.0 GB | 1.9 GB (CSO) | 76% | | Android (AetherSX2) | 8.0 GB | 1.2 GB (Ripped) | 85% | | Steam Deck | 8.0 GB | 2.4 GB | 70% |
But is "highly compressed" real? Does it ruin the experience? And where do you find an updated version that fixes the infamous "Pegasus hang" or "Atlas crash"?
However, the original ISO file size sits at around . For modern gamers using emulators like PCSX2 on a low-end laptop or an Android phone with limited storage, that file is a monster. This is why the search for a God of War 2 highly compressed PS2 ISO updated has exploded in 2025.