Tested the Mac version (I'm on MacOS 10.13.4). Opening the second zipped file gives me this:
View attachment 103425
First one opens fine, except...
View attachment 103424
... it only plays in the bottom left quarter of the screen. I couldn't get it to go fullscreen or even windowed mode no matter what I did.
Other than that the game played just fine, gameplay-wise I found myself accidentally clicking more often than usual so I ended up repeating dialogue, studing/gaming extra, and traveling to the store when I didn't want to more often than on PC.