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Four in a Row: drop discs and line up four

vs bot Drop your discs into a vertical grid and they fall to the lowest free spot. Connect four in a line while blocking the computer from doing the same. Free, no download, no sign-up.

How to play

  1. Choose a difficulty at the top.
  2. Tap a column to drop your disc; it falls to the lowest empty space.
  3. Line up four of your discs across, down or diagonally to win.
  4. Watch the AI threats and block them. The scoreboard keeps wins, draws and losses; press New game to replay.

Questions

Who plays first?

You do. The computer answers right after each of your moves.

Is there a two-player mode?

No. This version is played against the computer in three difficulties.

Is it free?

Yes. It runs in your browser with no download and no account.

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Credits and license

Game code by mashukui, released under the MIT license. Adapted for VISU Games. Source code