The store page for energy, with the energy bar showing at the top of the screen.

Energy is the basis of the whole game. Without energy, you cannot dig, search or click any other sorts of tiles.

Energy can be obtained by eating Food, or by purchasing energy packs. It also replenishes automatically at the rate of 1 point every 3 minutes.

Time to Replenish Energy
Energy Time
1 3 Mins
5 15 Mins
20 1 Hour
100 5 Hours
160 8 hours