hmm maybe I am seeing the whole game? I thought it was cut off because, for example, when I started and find the obelisk the outline of the obelisk has the bottom 1/4 cut off the screen. Is that on purpose? It seems like there's some movement of an icon below my screen. This is my full screen: 
Yep, it looks definitely wrong. I think I reproduced the issue. It doesn't depend on screen resolution, but is affected by scale. Can you please check Scale and layout option (Open Settings > System > Display). This game supports only 100% scale and other ones may look wrong. Please try to switch it to 100% and launch the game. I hope it helps.