Connect your PSP to a computer via USB cable or insert the memory stick into a card reader.

If you want to unlock all cars, upgrades, and tracks immediately without playing through Career Mode, you can download a completed save file.

: Connect your PSP to a PC via a USB cable and enter USB Mode .

containing the top save data.

Immediately back up your existing save file to a PC or cloud storage. If you have no save file and wish to start fresh, simply ensure at least 1 MB free space and the game will create the file automatically after the first race.

The PSP version of "Underground Rivals" allowed for some multiplayer features, including Wi-Fi connections for racing against friends. While it may not have been as feature-rich as some of its console counterparts, it provided a unique experience for PSP owners.

If you have been playing on a real PSP and want to keep your data safe, or move it to a new SD card, follow these steps.

: Move the folder to the Documents/PPSSPP/PSP/SAVEDATA path. Alternate Method: Unlock Everything Cheat Need for Speed Underground Rivals [PSP Saved Game]

This is where 90% of users fail. Save data is region-locked.

: Connect your device to a computer via USB. Navigate to PSP > SAVEDATA on your memory stick. On PPSSPP (PC) : Go to Documents > PPSSPP > PSP > SAVEDATA .

Top-tier saves often keep cars "un-modded" visually, giving you a blank canvas with all vinyls, paint colors, and body kits already unlocked for free customization. How to Install Save Data