Assuming you have a properly glitched Xbox 360 with a dashboard like Aurora or Freestyle Dash 3, follow these steps:
You need dashlaunch to enable contpatch = true and licpatch = true . This allows the Gems (which expect an Xbox Live license) to run offline.
No swapping discs. No hunting for expired DLC. No online restrictions. Just pure, full-body gaming—from dodging a javelin in Athletics to hitting a home run in the ninth inning—all from a single tile on your hacked dashboard.