Classic four in a row · Tactical play
Block Ahead
Four in a row · InversionAsk not only “How can I win?” but also “Where can my opponent win?”
This is a preset midgame position. You play gold. Choose a column, then confirm. First to connect four horizontally, vertically or diagonally wins. Pieces fall to the lowest empty space in that column; the computer replies with teal.
Your turn · Choose a columnYour moves: 0
Choose a column, then confirm
You · Gold / dotComputer · Teal / dash
Click anywhere in a column or press 1–7, then confirm. Untimed; undo is available.