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
The goal in this fun little game: Llama with a beer is very simple... try to keep the beer on Lama his head as long as possible. Move the llama back and forth in the Irish pub and reach the highest score.