A file would be 30 to 50 times smaller than the actual game. No amount of “ultra compression” or “repacking” can reduce a full 3D action game with voice acting, textures, levels, and soundtracks to 0.1 GB without deleting almost everything.
No such file exists that will give you a playable game. What you’ll get is malware, wasted time, or a broken download. Enjoy the game legally via original consoles or disc backups with emulation—and stay safe out there.
: Standard compression (like ZIP or RAR) typically only reduces game files to 25–50% of their original size. A 100MB file representing a multi-gigabyte game is often just an "installer" that contains nothing but "white noise" or junk data. Risks of "Highly Compressed" Downloads