While it’s not literally a Game Boy game, it is nicknamed "GameBoy" or "PlayStation 1" style because the extreme compression makes the graphics look blocky, low-resolution, and retro . How They Did It
If you are looking for a "highly compressed" version to download on a low-end PC, be extremely careful. gta-5-game-on-pc-highly-compressed-gameboy
Environments are rendered in very low definition, resembling games from the early 90s . Is it actually playable? While it’s not literally a Game Boy game,
They deleted almost all missions, audio files, textures, and store interiors . gta-5-game-on-pc-highly-compressed-gameboy
Many sites claiming to offer GTA 5 in tiny sizes (like 500MB or 1GB) are often fake and contain viruses or "surveys" that never give you a working game .