These are the files found on the Xbox Live Arcade (XBLA) version. If you are using a modified (RGH/JTAG) Xbox 360, you likely need the digital folder structure rather than an ISO. Emulation with Xenia
For most, it’s about If you want to fight Ocram one last time or see the old UI that utilized the 360’s triggers for zooming, the ROM is the only way to do it. It provides a "snapshot" of 2013-2015 gaming that the modern, polished versions simply can't replicate. terraria xbox 360 rom