50MB

Finding high-quality PlayStation 2 (PS2) games compressed under is a challenge because most standard PS2 titles range from 700MB (CD-ROM) to over 4GB (DVD-ROM) . While extreme compression to 50MB often requires "ripping" (removing essential data like audio and cutscenes), there are a few rare legitimate titles and advanced methods to achieve significantly smaller file sizes without destroying game quality. Popular PS2 Games with the Smallest File Sizes

Why it works:

Neo-Geo ports already had efficient code. The compressed version removes the 90% of the disc that was dummy data. Quality: Near perfect. The signature hand-drawn pixel art remains sharp because pixels compress better than photos. Genre: Run n' Gun

For the best balance of quality and size, download full ISOs and use these tools to compress them into "lossless" formats compatible with the PCSX2 or AetherSX2 emulators:

Audio Downgrades

: Background music and voice acting are frequently stripped or heavily downsampled, leaving the game feeling "hollow" or completely silent.

These games were often originally released on CD-ROM or utilize efficient code that allows them to be stripped of "dummy data" to reach ultra-low file sizes. Chess Challenger

What you actually want: Highly compressed PS2 games for emulation (PCSX2)

• Standard CSO compression (Level 9): Reduces a 4GB game to 1.2GB. No quality loss.
• CSO with Audio Stripping: Removes background music only. Size: 400MB.
• ESO (Extreme ISO): A niche format between CSO and CHD. Gets you to ~200MB for most 2D games.