Many files labeled as "Full PS2 Game [50MB]" are not the actual game. They are often:

PS1 games on CD (max 700 MB) can be compressed down to 100-300 MB, but some puzzle games or 2D titles go below 50 MB.

GBA ROMs max out at 32 MB.

Stats
Elapsed time: 0.4187 seconds
Memory useage: 3.86MB
V2.geronimo

Ps2 Games Highly Compressed Under 50mb High Quality -

Many files labeled as "Full PS2 Game [50MB]" are not the actual game. They are often:

PS1 games on CD (max 700 MB) can be compressed down to 100-300 MB, but some puzzle games or 2D titles go below 50 MB.

GBA ROMs max out at 32 MB.