Finish the current region and city gate
Hidden areas are most useful to search after a visible progression change, not while the map is still blocked by the active objective.
Map / Secrets · checked 2026-08-13
Track the hidden You found our secret base achievement without presenting an unverified location as fact.
Steam confirms that You found our secret base is a hidden achievement. Search newly unlocked city and world routes after major progression changes, and use the Steam unlock notification as the completion signal.

Hidden areas are most useful to search after a visible progression change, not while the map is still blocked by the active objective.
Inspect doors, side paths, elevated routes, and structures that became reachable after the last upgrade.
Enter and interact with newly accessible spaces instead of assuming a decorative prop is the trigger.
The achievement notification or unlocked state is the only public completion signal currently verified.
Failure branch
Do not repeat an unsupported coordinate or location claim. Continue the main progression and city-upgrade route, then search only the areas made newly accessible by that change.
Completion signal
The route is complete when Steam changes the hidden achievement to unlocked. The specific trigger will be added after a directly inspectable source confirms it.
Start over
Return to the first condition that is not yet true instead of repeating the final action.