The only reason why I made this guide is becuase I'm sick and tired of all these noobs asking, ''How do I put downloaded games on my PSP?''. Well, to all the noobs out there, here's the guide. Remeber, this ONLY works on 1.50 and/or DAX Custom Firmware. 1.50 Guide: What you will need: UMDEMULATOR V0.8c: http://psp.console-tribe.com/downloads/file-90/umd-emulator-08c.html DevHook (for games that require FW higher than 1.50). 1. Download UMDEmulator 2. Copy the UMDEMULATOR folder to the ROOT of your Memory Stick (X:/). 3. Then, go in the PSP folder, then GAME, and you'll see UMDEMULATOR and UMDEMULATOR%. Copy those to the GAME folder of your PSP. 4. On the root of your memory stick, create a folder named ISO. Place your PSP ISO's there. 5. Launch DevHook. Then, launch UMD Emulator, and say you want to play Need for Speed Underground: Rivals. You need DevHook 0.22 for this. 6. In UMDEmulator, press X at NFSU: Rivals. Happy gaming! Guide for 3.XX OE-X: What you will need: Nothing, except your PSP. 1. Create a ISO folder on the root of your memory stick. Place your ISOs there. 2. Quit to the XMB, and play!