If you are running a modified Xbox 360 (RGH or JTAG), you likely have XBLA trial games on your internal hard drive or external USB. By default, these act as demos. To unlock the full game content without repurchasing it on a banned console, you need specific homebrew tools.
: Open the file with a text editor like Notepad. xbla unlocker
Below is a breakdown of the two most reliable methods to "unlock" XBLA titles. If you are running a modified Xbox 360