Use a Special Attack to kill a demon.

Collect all artifacts.

Upgrade your pickaxe to the highest level possible.

Travel a distance of 100 tiles horizontally without touching the controls.

Read all of the files.

Kill 3 enemies at once with a sub-weapon.

Defeat Stage 2 G using the crane only once.

Escape the bedroom within 60 seconds during Sherry's segment.

Leave the Earth with your companion in tow.

Collect 25 artifacts.

Complete 20 caves.

Sell resources for $10,000.

Shoot a zombie dog or a licker out of the air.