Bored of killing time on Youtube or flash based games? Why not play some classic arcade games instead?
Archive.org currently has over 900 classic arcade games available to play in your browser right now.
Here is just a tiny list of all the games available
and I could go on and on and on. Now most of these games are running through JSMAME, which means that some of them are buggy and some of them work better than others. Some like Thundercade work perfectly but when I ran Outrun, it was really slow and practically unplayable. They also recommend that you use Firefox to play these games although I have been playing them in Google Chrome and they have been fine.