: Compresses disc images without losing quality and is highly recommended for AetherSX2 .

Executables disguised as game extractors often contain viruses or trojans. If a file asks you to disable your antivirus or install a custom "extractor," do not do it.

Before diving into the specifics, let's address the question of why gamers would want to compress their PS2 ISOs. There are several reasons:

: Legitimate "under 100MB" PS2 games were typically released on rather than DVD. Some larger games can be reduced using the CSO (Compressed ISO) format or GZIP for use in emulators like PCSX2 , but they rarely hit the 100MB mark unless the original game was already tiny. Best Small PS2 Games (Native or Highly Compressible)

Many of these titles are "Sega Ages" remakes or simple arcade-style ports that retain full gameplay despite their small footprint. Game Title Original ISO Size Compressed Size (approx.) Why It's Best Phantasy Star: Generation 1 A complete 3D remake of the classic JRPG. Phantasy Star: Generation 2 102 MB High-quality turn-based combat in a small package. Golden Axe (Sega Ages) 149 MB Classic hack-and-slash action with updated 3D graphics. Metal Slug 4 ~20 MB (RIP) Action-packed side-scroller; "Rip" versions remove movies. Alien Syndrome 218 MB Intense top-down sci-fi shooter. Understanding "Highly Compressed" Formats