In 500m Challenge, dig upward 4 times and advance a level.

Clear 500m Challenge.

Earn at least 150,000 points in 500m Challenge.

Earn at least 250,000 points in 500m Challenge.

Clear 500m challenge under 2 minutes 30 seconds without drilling brown box.

In 500m challenge, destroy 25 brown boxes with your drill and advance a level without any death.

In 1000m Challenge, dig upward 8 times and advance a level beyond 500m.

Clear 1000m Challenge.

Earn at least 450,000 points in 1000m Challenge.

Earn at least 600,000 points in 1000m Challenge.

Clear 1000m challenge under 5 minutes 30 seconds without drilling brown box.

In 1000m challenge, destroy 30 brown boxes with your drill and advance a level beyond 500m without any death.

In 1000m Challenge, between depth 0 to 100, collect all oxygen tank and advance a level.

In 1000m Challenge, between depth 100 to 200, collect all oxygen tank and advance a level.

In 1000m Challenge, between depth 200 to 300, collect all oxygen tank and advance a level.

In 1000m Challenge, between depth 300 to 400, collect all oxygen tank and advance a level.

In 1000m Challenge, between depth 400 to 500, collect all oxygen tank and advance a level.

In 1000m Challenge, between depth 500 to 600, collect all oxygen tank and advance a level.

In 1000m Challenge, between depth 600 to 700, collect all oxygen tank and advance a level.

In 1000m Challenge, between depth 700 to 800, collect all oxygen tank and advance a level.

In 1000m Challenge, between depth 800 to 900, collect all oxygen tank and advance a level.

In 1000m Challenge, between depth 900 to 1000, collect all oxygen tank and advance a level.

In Endless mode, start from Expert and reach at least 3000m.

In Endless mode, start from Abnormal and reach at least 6000m.

In Endless mode, start from Taboo and reach at least 9999m.