
True PS2 games are typically 1–4 GB. “Under 100MB” requires extreme compression (CSO, GZIP, or trimmed dummy files), often removing videos, music, or languages. For extra quality, look for from communities like CDRomance , Archive.org’s Redump , or PS2 ISO Zone (old).
What are you using to emulate? (PC, Android phone, Steam Deck?) What specific game are you trying to run? Are you facing any lag or audio stuttering ?
By downsampling the heavy licensed soundtrack and cinematic intros, this racing classic shrinks significantly.
Most modern emulators actually struggle with highly compressed files. Decompressing a 100MB archive back to 4GB of virtual RAM can cause stuttering. You are better off storing games as .chd (Compressed Hunks of Data) files, which typically reduce a 4GB game to 1.2GB without losing quality.
To help you get started with your classic gaming setup, let me know:
Load the extracted .iso file into AetherSX2 (Android) or PCSX2 (PC). Important Notes on Quality and Performance
If you own a physical PS2 disc, you are legally allowed to create a backup (a "ROM") for emulation. However, creating a sub-100MB version of that backup requires you to destroy the game's data integrity.
when creating CSO files, as larger block sizes improve compression but may impact compatibility with certain software.
whenever possible for better compression without quality loss.