Enter the secret room in Chapter 4.

Kill 666 enemies.

Complete the game with a total score of over 62,000.

Finish the full campaign with your friend!

Finish any chapter with help of Player 2.

Kill 5 enemies in a row.

Let Player 2 join the game while in a middle of a campaign.

Finish the game with a final score below 62,000 and the last score digit equal to zero.

Shoot all of the Hangedman's Devilions.

Beat Hangedman at the end of the second chapter.

Kill a Scientist.

Find a shortcut