Thanks for writing feedback! Agreed, I think it would be a good idea to preview the upgrades, I shall note that down.
The upgrades focus on making the rooms more efficient. Here is a screenshot from an earlier build:
Thank you for playing!
Here is ours, well done on your game! https://itch.io/jam/-pixel-game-jam-2024/rate/2718572
Here is ours! Hope you enjoy! https://itch.io/jam/-pixel-game-jam-2024/rate/2718572