Building Street Fighter II in Ruby [video]
It is really fun to see games coded in a language you know (and is not used for gamedev) -- completely new way of programming/thinking.<p>There is another great video similar to this of Tom Dalling coding a flappy bird clone using Gosu:<p><a href="https://www.youtube.com/watch?v=QtIlyU2Br3o" rel="nofollow">https://www.youtube.com/watch?v=QtIlyU2Br3o</a>