itch.io

Don't want to give the answer outright, but it's a color code. Try looking for anything that might resemble it on other floors!

Absolutely loved the demo, finding all of the optional secrets and puzzles was more fun than I expected... and goes without saying that the artstyle is delightful, buuuut I may be a bit biased in that regard~

Definitely looking forward to seeing more of this!

Small bug, pressing the "cutscene" button in the warehouse twice softlocked the game for me (wanted a refresher of where the door was)