Most PS2 games were released on , which typically hold 4.7 GB of data. While some early titles were released on CD-ROMs (which hold around 700MB), the vast majority of the console's "greatest hits" are several gigabytes in size.
Simplistic textures and repetitive assets allow for massive compression. Marvel vs. Capcom 2 Size: ~20MB - 40MB Ps2 Games Highly Compressed Under 50mb
However, if you’re seeing posts like that, they’re likely one of these: Most PS2 games were released on , which typically hold 4
This is a 2D sprite-based game. Without the cinematic intros, the core engine is tiny. Contra: Shattered Soldier Size: ~45MB Most PS2 games were released on