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
Ultimate Rebel: Lego Star Wars is a fabulous 3D shooter in which you create your own pilot for the star wars plane from Lego. Fight on seven different planets with the enemies. Shoot down all the enemies to find the key and get to the exit.