Nihilumbra

Beat the Void mode.

Beat the Story mode.

Go where no one has been.

Kill a Klimeth without shooting it.

Clear level Volcano IV without killing any enemy.

Escape from the Void.

Die 10 times in a row playing Void mode.

Burn four enemies in five seconds.

Make a bullet bounce 20 times.

Resist being absorbed by a Vaccumore during 10 seconds.

Smash two Crawlaggars with a box in less than one second.

Feed a Skeltogoth with a box.