Indeed, AI is already a very skilful player for some games. Deepmind (as we all know for its amazing AlphaGo for playing Go) has been doing researches on playing games by AI using a tailor-made neural network architecture and reinforcement learning. Apart from visual games, some AI frontiers have been working on poker games, which do not only require skills but also some sort of understanding of human feeling. It would be great to see how those tech would evolve.