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It depends if your chromebook has support for linux binaries.

yea i have linux beta turned on in settings and i have the linux terminal, i just cant quite figure out how to open these file types there

unzip it, and then you should see a _Data folder, and two files named .86, and .86_64

Type "chmod +x AShortHike.x86" in a terminal when you are inside the folder. Then type "./AShortHike.x86"

The first command makes this file executable, so you can run it. The second line executes it. I haven't really used chromeos so I don't know how their terminal stuff works, but this is how you would run it on linux.