No.
Games that do compress well (due to pre-rendered videos): Metal Gear Solid 2, Xenosaga Episode I . These will only shrink by 15-20%. pcsx2 games highly compressed work
Highly compressed games in typically utilize specialized formats like CHD (Compressed Hunks of Data) to reduce file sizes by 30% to 60% they are almost always fake
for massive PS2 games; they are almost always fake, broken, or malicious. pcsx2 games highly compressed work
Place chdman.exe in the same folder as your PS2 .iso files.
Understanding the distinction between these methods will save you hours of troubleshooting and broken downloads. Safe Compression vs. Dangerous Compression