Google Zerg Rush
If you get bored during the day here is a small game from Google; Zerg Rush. There are millions of search on Google search engine and the company make that kind of small surprises to the users. Google Zerg Rush is related with the video game called Starcraft which you can find the video below to get some idea.
If you type “Zerg Rush” into Google or click here, the “O’s” in Google take over the page. If you double click, your cursor turns into a plus sign. Click on the O’s and you wipe them out. Google then tabulates your score and, in a social media twist, lets you post your score on Google+.