Chrome 42+ disables NPAPI plugins like Unity3d plugin.
Copy and paste the following text into your browser: chrome://flags/#enable-npapi and enable the NPAPI plugin.
Or try another browser like Firefox
Your airplane is stranded on a one of the most beautiful holiday islands. Sadly though the beach is filled with mindless zombies. Shoot them down to survive each wave. Use your mouse to shoot, WASD to move and shift to run.