Defeat 3 enemies at the same time with an explosion

Complete all 'Level Challenges' in a single level

Start the Pools of the Ancient Dead level.

Start the Enchanted Forest level.

Defeat the Pumpkin King.

Start the Pumpkin Gorge level.

Finish the story on at least Casual difficulty.

Find the Megamycete in the underground ruins.

Defeat the mutated Heisenberg.

Start the Sleeping Village level.

Defeat the Mad Axeman.

Start the Scarecrow Fields level.

Defeat the Stone Wolves.