you can play x or o by clicking them. You play against a bot. The bot wins if a five char sequence is repeated twice. You win if a three char sequence is repeated four times. I recommend using turbowarp cus the bot isn't very optimized and takes like 10 seconds on its first move on scratch
webgoatguy came up with the game: https://www.youtube.com/watch?v=A-lh1-bTzTw