A standard PSX game disc could hold up to 700MB of data. When you rip a game from a CD to create a ROM, it usually results in large file sizes. If you have a 32GB or 64GB phone, storing 20 or 30 of these games can eat up your storage almost instantly.

Highly Compressed ROMs are standard game files that have been run through advanced compression algorithms to shrink their size significantly.

This ensures 100% clean, malware-free files.


While highly compressed ROMs sound like a miracle solution, there are potential pitfalls you must be aware of.

Some games are legendary for their high compression ratios. Here is what you can expect (original size -> compressed size):

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