The critical punch sound is intended, but I forgot to tweak the volumes in the end of the jam after adding those sounds. Most people found it satisfying. I have literally recorded all voice in the Informatikzentrum bathroom with 5 hours of sleep with one take.
There are only three types of enemies, the goblins are enabled at stage 10. There are no stage timers. The only way to begin a new stage is to defeat all enemies and pass a certain y coordinate.