Yes and no. Lossless compression (like 7-Zip on Ultra settings) can reduce a 500 MB ISO to around 150–200 MB, but not 50 MB without removing content. Many “highly compressed” releases actually strip:
Some are also fake—malware disguised as a tiny ISO. Always be suspicious of any file under 100 MB claiming to be a full, playable Tekken 3. tekken 3 ps2 iso highly compressed
Instead of hunting shady “highly compressed” ISOs, consider these legitimate options. They are often smaller, safer, and run better. Yes and no
Every PS3 model plays original PS1 discs. The upscaling is excellent. This is arguably the best official way to play Tekken 3 on a modern TV. Some are also fake—malware disguised as a tiny ISO