As if you need another thing to distract you from doing your work! Recently the Internet Archive announced that they made 900 vintage video games available to play in your browser. They call it the Internet Arcade and have plans to even make it bigger! At least with these arcade games it won’t cost you a quarter for each time you play!
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Image credit: http://tinyurl.com/pkdbtf9, licensed under CC BY-NC-ND 2.0