| Format | Compression Ratio | Speed | Emulator Support | Best For | | :--- | :--- | :--- | :--- | :--- | | | Excellent (20-60% of original) | Very Fast | PCSX2, RetroArch, MAME | PC / Steam Deck | | CSO | Good (30-70% of original) | Medium | AetherSX2 (Android), PPSSPP | Android phones | | Zstandard (ZST) | Excellent | Fastest | Newer PCSX2 nightly builds | High-end PC | | 7z | Best (10-50% of original) | Slow (Decompression) | Not direct play (must extract) | Archival storage |
Some titles are famous in the emulation community for how much they can be shrunk without breaking the game: Game Title Original Size Compressed Size God of War II 7.9 GB (Dual Layer) Tekken 5 Resident Evil 4 Dragon Ball Z: Budokai 3 ⚠️ Risks and Considerations
Word Count: ~1,650. Last updated for 2025 emulation standards.
When searching for highly compressed PS2 games online, you will likely encounter "Gamer Rips" or "Highly Compressed 10MB to 100MB" listings. Approach these with extreme caution. high compressed ps2 games
. While some sites claim "highly compressed" downloads of massive games (e.g., a 4GB game shrunk to 1MB), these are typically
You get a small file without losing FMV/audio quality.
While saving space is great, high compression can occasionally lead to issues: | Format | Compression Ratio | Speed |
: It is a lossless compression format. It shrinks the ISO file size by removing padding and compressing data, but keeps 100% of the original game quality, videos, and audio.
| Game | Raw Size | High Compressed Size | | :--- | :--- | :--- | | God of War 2 | 8.5 GB | 1.9 GB (CHD) | | Final Fantasy X | 4.2 GB | 1.4 GB (CSO lv9) | | Dragon Ball Z: Budokai Tenkaichi 3 | 3.1 GB | 698 MB (7z) | | Ico | 3.9 GB | 389 MB (CHD) | | WWE SmackDown: Here Comes the Pain | 4.1 GB | 440 MB (CSO) |
These files are converted into formats like .CSO (Compressed ISO), .GZ , or .CHD . Approach these with extreme caution
Ideal for those with limited data plans or slow internet speeds.
Once finished, you will have a shiny new .chd file. You can safely delete the bulky .iso file. Highly Compressed Games on Real Hardware (OPL)
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