1: A level based on schizophrenia, with erratic and always changing visuals.
2: A level based on Project Hail Mary, with realistic visuals and bright space themes.
3: Poltergeist but actually about ghosts.
4: A Platformer level with blocks made of Swiss cheese, where you must find the magic cheddar to win.
https://www.google.com/search?q=swiss+cheese&source=chrome.ob&safe=active&ssui=on
www.google.com
The term "Swiss cheese" is one used of any variety of cheese that resembles Emmental cheese, a yellow, medium-hard cheese that originated in the area around Emmental, Switzerland. It is classified as a Swiss-type or Alpine cheese. The term is generic; it does not imply that the cheese is actually made in Switzerland.