Destroy a bridge on any level.

Die by exiting the level boundaries at any point in the game.

Get 3 stars on any level.

Complete the Lost Settlement secret mission.

Complete Frosted Fjord without having a melee or ranged weapon equipped at any time.

Find the secret passage, that leads to the hangar

Find the secret by blowing up the barrel

Kill the last demon

Kill the Black giant on the graveyard

Finish desert level

Destroy, rugged robot, on platforms

Kill the cyclops in the cave

Enter the church, next to the coffin