Why can't I progress from Frontier Mine 1 to Frontier Mine 2? — Idle Miner Tycoon Help Center

Why can't I progress from Frontier Mine 1 to Frontier Mine 2?

Terakhir Dikemaskini: 537h

Make sure you have upgraded everything to the maximum level

If this still does not help:

Update your game in your app store (please do NOT uninstall)