Here is how to get the game running on Linux:

• First, download and unzip the folder.
• After unzipping and opening the folder, you'll see 2 folders and Three_shots.
• Open the terminal (ctrl + alt + t) and cd into the unzipped folder (in my case "cd Desktop/Three_shots_v.1.0_Linux/"
• The last step is to type "export LD_LIBRARY_PATH=./Libs && ./Three_shots"

That should be it! If there are any problems, you can write a comment and I'll try my best to help.