The first step. You leveled up for the first time and started adapting to the underground environment.

Mastered the basics. Reached Level 10. You're handling the pickaxe with style now.

An expert who digs without hesitation. Reached Level 25. Your body remembers the work.

Even the darkness is your friend now. Reached Level 40 and stepped into the realm of mastery.

Longer and deeper than the mine itself. Reached Level 100. You have carved your name into mining history.

Attachment to your tools. Performed your first upgrade and improved work efficiency.

The result of experimentation. Performed 3 upgrades and adjusted the tool to be uniquely yours.

Tools don't lie. Performed 5 upgrades and raised your gear into a reliable partner.

An insatiable quest for performance. Performed 10 upgrades and drew out power beyond limits.

A supreme tool supporting god-like skills. Performed 30 upgrades. You've reached a realm that ignores the laws of physics.

To new depths. Obtained the Middle Layer Key and earned the right to challenge a harsher environment.

To the point of no return. Obtained the Lower Layer Key and stepped into the deepest parts unknown to anyone.

A gleam in the rubble. Obtained your first collectible item.

It smells like the surface. Obtained 5 collectible items. Your pockets are getting heavy.

Junk or treasure? Obtained 10 collectible items. Thinking about the stories of the past.

Manager of history. Obtained 15 collectible items. Gazing at your collection has become a daily routine.

The one who unraveled everything. Obtained 20 collectible items. These are the best souvenir stories to take back to the surface.

Just getting started. Swung the pickaxe 500 times. Your skin feels a little thicker.

Caught the rhythm. Swung the pickaxe 3,000 times. Hesitation vanishes along with the sweat.

You can tell the hardness by the sound. Swung the pickaxe 5,000 times. Your muscles have tightened like steel.

An unstoppable barrage. Swung the pickaxe 10,000 times. Even the hardest rock crumbles before you.

A blow that shakes the earth. Swung the pickaxe 30,000 times. The crystallization of your effort is right here.

Crossed the first wall. Survived for 10 days and established a rhythm of underground life.

This is my home now. Survived for 30 days and overcame the fear of the dark.

The halfway point. Survived for 50 days. You can now afford to feel nostalgic about life on the surface.

Contract fulfilled. Survived for 100 days. You finally earned the right to return to the surface. Good work!

Keep playing to discover this achievement