A full GoW 2 ISO is ~8 GB. Highly compressed versions range from 300 MB to 1.5 GB after extraction (they remove cutscenes, reduce audio quality, or use CSO compression).
A standard GOW2 file is about 6GB–8GB. While some "RIP" versions are smaller (removing cutscenes or audio), files claiming to be under 500MB are often broken or fake. portable download god of war 2 highly compressed for android
Even if the download is small, your device will typically need at least 10GB to 15GB of free space to extract and run the game smoothly. Recommended Device Requirements A full GoW 2 ISO is ~8 GB