Discover your antipode by digging through the Earth. Snap a photo of the ground to instantly find the exact opposite point on the globe. Compete in daily challenges and weekly leaderboards.
2.3
September 1, 2026
Fixed tab bar display issue Speed bonus on daily challenge — guess faster for extra points Preset comments with upvoting on hole posts AI image moderation — inappropriate photos are automatically blocked Custom animal pin emoji for Pro subscribers Swimming hole caption added Shop section with hole gear Username profanity filter Ban system for inappropriate posts Secret hunt is now permanent Bug fixes and performance improvements
MoreCrown badge, extra hole posts, and custom pin color
GeoTunnel is a game where you discover your antipode by digging through the Earth. You snap a photo of the ground and use GPS to find the exact opposite point on the globe.
You can guess where your antipode will be on a map, then snap a photo of the ground. GeoTunnel shows you how accurate your guess was. Daily challenges and weekly leaderboards offer competitive gameplay.
The free version of GeoTunnel contains interstitial ads. GeoTunnel Pro, a subscription service, removes these ads.
GeoTunnel Pro is a subscription that costs $0.99 per month. It offers benefits like 3 hole posts per week, a crown badge, custom map pin color, and no interstitial ads.
GeoTunnel requires a GPS signal and likely an internet connection to calculate antipodes and participate in challenges. Offline play is not specified.
GeoTunnel is available on iPhone and iPad devices. It is designed for iOS.
The latest version, 2.2.3, was released on May 26, 2026, indicating recent updates. The app was initially released on May 6, 2026.
GeoTunnel has an age rating of 4+, making it suitable for young children and up.
