Getting Started
Begin Shift One, inspect the corridor carefully, walk forward, and choose Clear or Report when you reach the checkpoint. Accurate streaks preserve stability.
Support
Underhalt Support
Help with Underhalt, including first play, local progress, and troubleshooting.
What is included
- Real-time on-device 3D corridor
- Twelve anomaly families with deterministic, replayable shifts
- Flashlight management, stability scoring, and a persistent deviation archive
Common Questions
Does the app need an account, subscription, or in-app purchase?
No. Underhalt is a one-time paid download. The full game is included and no account is required.
Does it work offline?
Yes. Gameplay and bundled content work on the device without a developer-operated service.
Where is progress stored?
Your shift progress, anomaly archive, scores, and settings remain in the app's local storage.
How do I remove local data?
Use an available reset or delete control. Removing the app removes its local container, subject to backups you control through Apple.
Contact
Email support@shadowfetch.com with the app name, device model, iOS version, and the steps that reproduce the issue.