The core of Horizon’s popularity was its ability to . Every Xbox 360 save file is digitally signed to a specific console’s unique ID and profile ID. If you downloaded a 100% complete Skyrim save from the internet, your Xbox would reject it because the signature didn't match. Horizon could strip the old signature and stamp it with yours. This feature still works as of 2024 for offline games.

Want to showcase a perfect gaming resume? Horizon allows you to modify your offline Xbox 360 profile.

: It includes tools to manually unlock achievements, though this carries a high risk of being banned from Xbox Live. Media Transfer