Tap to drill through Earth's crust, mantle, and core. Collect rare minerals, upgrade your equipment, and discover what lies on the exact opposite side of the world.
App StoreTap to drill through Earth's geological layers — from the thin crust all the way through the mantle, outer core, and inner core. Manage drill temperature and pressure as you descend 6,371 km.
Discover and collect 36 scientifically accurate minerals found at each layer of Earth. From common quartz to ultra-rare perovskite and iron-nickel alloys deep in the core.
Upgrade your drill's motor power, cooling system, drill bit material, and rotation speed. Each upgrade opens new depths and increases mining efficiency.
Synthesize lower-tier minerals into higher-tier ones. Trade 5 common minerals to obtain 1 rare mineral from the next tier through the exchange system.
Upon completion, the app uses your real GPS coordinates to calculate and visualize the exact antipodal point — the location on Earth directly opposite to you.
Receive a personalized certificate showing your departure point, arrival coordinates, completion time, and total taps. Save and share your achievement.
If you encounter any bugs, have feature requests, or need assistance, please don't hesitate to reach out. We typically respond within 48 hours.
You can also open an issue on our GitHub repository.
Last Updated: May 2026
DEPTH. ("the App") does not collect, store, or transmit any personal data to external servers. All game progress is stored locally on your device using browser localStorage.
The App requests access to your device's GPS coordinates solely to calculate the antipodal point upon game completion. This data is:
The App may use OpenStreetMap's Nominatim API for reverse geocoding (converting coordinates to a readable place name). This request contains only latitude and longitude — no personal identifiers are sent.
The App does not use any analytics, advertising, or tracking frameworks. No cookies are used. No user profiles are created.
The App does not knowingly collect any information from children under 13. The App contains no advertisements, in-app purchases, or social features.
If you have any questions about this Privacy Policy, please contact us at support@earthcore.app.