The protagonist, while searching for a new home, finds a cheap underground one-room apartment and decides to move in. But the condition of the place is far worse than expected.

It’s cramped, smells strange, and has a mysterious trapdoor leading further underground.

The landlord warns not to approach the door. With no money to move again, the protagonist hesitates—until discovering a note in the room that says unimaginable treasure lies beneath.

Believing the note, the protagonist ventures into the underground, collecting items to buy and upgrade equipment on a quest to uncover the treasure.

Dig through the terrain and explore the underground!

Discover various items below and use them to upgrade your excavation abilities as you progress.

But don’t let your guard down—where there is treasure, danger always awaits.