Standard ZIP or RAR files must be extracted before playing, which doesn't save active storage space. Use these "playable" compressed formats instead:
. "Highly compressed" versions might reduce this to under 1 GB, but the methods used often impact gameplay: Compression Formats : Formats like (Compressed Hunks of Data) can reduce PS2 ISOs to about tomb raider underworld ps2 iso highly compressed
If you own a physical copy of Tomb Raider: Underworld for the PS2 but your console is broken, you can play it on your PC using emulation. This is the safest and most reliable method. Standard ZIP or RAR files must be extracted