It took me a while to figure out what to do, but I eventually managed to beat the game. The art is gorgeous!
Thanks alot! The art is made by Ansimuz: https://assetstore.unity.com/packages/2d/environments/warped-city-assets-pack-13...
The game was about 60% finished, but we submitted it regardless. It was supposed to have different puzzles and better visuals to understand how to progress forward in the game.