Format a USB drive to FAT32, copy your game folder to it, and use the File Manager in Aurora or XeXMenu to copy it to Hdd1:\Games\ .
RGH (Reset Glitch Hack) modded Xbox 360, downloading and installing Terraria Xbox 360 Rgh Download
Copy DLC files ( .xzp or expanded folders) to HDD1:/Content/0000000000000000/5451086B/00000002/ . Format a USB drive to FAT32, copy your