Slice and Burn and Shoot your way through the waves of the meek and the corrupted till you face the Voidborn and defeat this demo.
For the retro lovers out there, fight through 10 waves of enemies and 1 boss with 10 different weapons in this quake love letter, although the game isn't out yet you can play the demo here : https://thenek.itch.io/acheron
For updates on development be sure to follow on twitter : https://twitter.com/AcheronGame