For the linux build, it's very unclear what to run. I'd advise:
- Adding the executable bit to the actual game binary (chmod +x <filename>)
- Renaming the game binary (maybe to SexWithAliens.x86/.x86_64)
- Adding the x86 and x86_64 extensions to the 32-bit and 64-bit versions respectively
- Changing the extension of snapshot_blob.bin and natives_blob.bin, as the bin extension is often used for binary executables. This means that people may assume that those files are what they're meant to be trying to run.