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
Tine Empire has the same gameplay as the old Castle Clout and Angry Birds games, use a canon to shoot all the orcs from the screen. Be careful that you do not use all the cannonballs. Shoot with the mouse.