This game is implemented in Elixir. The code is based on this talk.
This game is deployed on GigaElixir in case you want to check this out: https://frg-tictactoe.gigalixirapp.com/
$ git clone [email protected]:feliperenan/tictactoe.git
$ cd tictactoe
$ mix deps.get
$ cd assets && npm install
$ cd .. && mix phx.serverGo to localhost:4000 and the game is going to be ready to play.