On your PSP, navigate to the "Game" menu.
If you strictly need a file size under 100 MB, you are likely looking for a mod that has stripped out specific features to fit into the PSP emulator environment.
The original GTA San Andreas features a massive map, three distinct cities, hours of voice acting, and a vast radio soundtrack. Even with advanced data compression algorithms like LZMA or RAR, you cannot shrink a 4 GB to 5 GB game down to 100 MB without deleting nearly all of its content. Highly compressed files that actually work usually only compress down to about 1.5 GB to 2 GB at the absolute minimum. The PSP Emulation Dilemma Gta San Andreas Ppsspp Zip File Download 100 Mb
First, you need the emulator to run the game.
This article explains the truth behind highly compressed 100 MB files, how the emulation community makes playing this game possible, and safe alternatives for mobile platforms. The Truth About "100 MB Highly Compressed" Files On your PSP, navigate to the "Game" menu
Grand Theft Auto: San Andreas was originally released for the PlayStation 2 and later ported to mobile devices and PCs. It was never officially released for the PlayStation Portable (PSP). Furthermore, the actual assets, audio, and map data of the game require gigabytes of space, meaning any 100 MB file claiming to be the full game is either heavily broken, an entirely different game with a skin, or a security risk. The Reality of GTA San Andreas on PPSSPP (100 MB) Why 100 MB is Technically Impossible
Before unzipping, scan the downloaded file with: Even with advanced data compression algorithms like LZMA
If you want to experience Grand Theft Auto on your mobile device or emulator safely, skip the highly compressed scams and choose these legitimate methods: Play the Official Mobile Port
Enter a password if prompted by the hosting site (commonly listed on the download page).