- Unlocked in: Our Journey Begins
- Size: 3x3
Search the Old Mine when directed to do so by a Quest. It will randomly take between 1 and 3 Pickaxes, usually 3. Then tap the mine to get the Quest Item you found.
Finding a chest while on a Quest does not seem to waste a pickaxe, which is different from other Rockyou games.
Do not spend pickaxes just getting chests when you have no Old Mine Quest. The reward is small compared to the cost.