Tools like KGB Archiver can compress a 1GB file down to a few megabytes by rewriting data patterns into ultra-dense code. Top PS2 Games Available Under 50MB
Note that some highly compressed games might lack voiceovers during cutscenes or have reduced video quality. Conclusion ps2 games highly compressed under 50mb extra quality
Many community members now prefer CHD over CSO due to better compression and excellent PCSX2 support, which was officially added in 2021. Tools like KGB Archiver can compress a 1GB