Couldn't get it to run </3, opening was just completely scrambled and the game itself wouldn't properly load no matter how many times unzipped or redownloaded </3
Viewing post in Mari's Mountain Rollout comments
From what I can see, it seems like there is an issue with an AMD driver update some time this month. The user here had to downgrade their driver and disable updates. https://forum.godotengine.org/t/graphics-freak-out-on-amd-cards/118661
Hope that helps