To reduce travel time between the surface and deep levels. The Significance of the ".rar" Format
Compressed files from third-party sources should always be scanned with updated antivirus software (like Microsoft Defender) before execution to ensure the "helpful" file doesn't contain unwanted scripts.
Your backpack can only hold a certain amount of ore. Efficient players plan their routes to maximize the value of each trip back to the surface.
Seeing this game in a .rar format indicates that it is a compressed package. Because the Xbox Live Indie Games marketplace is now defunct, many players access this game via PC ports or emulators.
You will need a utility like WinRAR, 7-Zip, or NanaZip to open the file and access the game data inside.
Your miner has limited stamina. Digging consumes energy, and running out underground typically results in a penalty or loss of progress.
The game’s "hook" is its upgrade system. Profits are reinvested into: Drills: To break through tougher rock layers. Lanterns: To increase visibility in the dark depths. Backpacks: To stay underground longer.