FCC Tic Tac Toe
https://www.freecodecamp.org/challenges/build-a-tic-tac-toe-game
Working demo: https://tberghuis.github.io/tic-tac-toe/
User Story: I can play a game of Tic Tac Toe with the computer.
User Story: My game will reset as soon as it's over so I can play again.
User Story: I can choose whether I want to play as X or O.