Many good links in video description:
MarI/O is a program made of neural networks and genetic algorithms that kicks butt at Super Mario World.
Source Code: http://pastebin.com/ZZmSNaHX
“NEAT” Paper: http://nn.cs.utexas.edu/downloads/pap…
Some relevant Wikipedia links:
https://en.wikipedia.org/wiki/Neuroev…
https://en.wikipedia.org/wiki/Evoluti…
https://en.wikipedia.org/wiki/Artific…
BizHawk Emulator: http://tasvideos.org/BizHawk.html