Sorry for link but I have no time to paste it here again:
https://www.gamesthatwerent.com/2020...unused-assets/
I wonder why this gainat robot on red floor do not make into final game.
https://www.gamesthatwerent.com/wp-c...5-1024x705.jpg
Also on promotional materials You can spot bosses in smaller rooms:
https://www.gamesthatwerent.com/wp-c...10-demo-12.png
https://www.gamesthatwerent.com/wp-c...pboard03-1.jpg
https://www.gamesthatwerent.com/wp-c...-10-demo-1.png
While in final game they occupy big rooms with no other stuff inside.