Manhole GO: Collect Cards

Dive into a one-of-a-kind treasure hunt across Japan with Manhole GO. Discover manhole cards (マンホールカード), free collectible cards inspired by Japan’s uniquely designed manhole covers. With Manhole GO, you can: • Browse the full manhole card catalog by series, category, or prefecture, and discover manhole covers grouped by theme. • See where to pick up manhole cards on the map, then switch to “Manhole Covers” mode to find the covers themselves. • Plan your visits with pickup schedules and current card availability. Use built-in translations for Japanese distribution details, and choose to be notified when a card becomes available again. • Track collected, favorite, and wanted cards, along with your progress and variants. Keep everything organized with My Lists, notes, photos, and videos. • Create an expedition, plan an efficient route, and make the most of your time collecting and exploring. • Sync your collection across your devices, see your progress at a glance with Home Screen and Lock Screen widgets, and share it with friends. No ads. No personal data collection.