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
Notebook Wars is back with a new installment. Start with a UFO and shoot all the incoming planes. Use a special attack to quickly take down all your enemies. Collect coins to buy upgrades. Play the game with mouse and spacebar.