The last two lectures in the The Georgia Tech Machine Learning course on Udacity cover some basics of Game Theory. Just skip ahead, the game theory part is mostly self-contained.
https://www.udacity.com/course/machine-learning--ud262
The Reinforcement Learning course includes some of the same (exactly the same) game theory content and then adds an additional lecture on further topics in game theory
https://www.udacity.com/course/reinforcement-learning--ud600
Again, skip to the last couple lectures.