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Asus Chromebooks run Chrome OS, you need to make sure linux dev environment is turned on in your settings. Here is what google had to say:

 To enable Linux apps, open Settings -> Advanced -> Developers and tap Turn on next to the Linux developer environment tab. Can a Chromebook run Linux apps? Yes, most modern Chromebooks can run Linux apps. Your device must be updated to Chrome OS 69 or higher

Once done make sure the game is extracted to your desired location then click run on the Application.