| Option | Details | |--------|---------| | | Available on Steam, Rockstar Launcher, PlayStation Store, Xbox Marketplace, and mobile app stores (iOS/Android). | | Rip your own PSP copy | If you own the original UMD disc, you can legally rip it to ISO/CSO and compress it for PPSSPP. | | Use legitimate mods | Some compression mods exist but will not reduce the game to 100 MB without removing core content. |