Connect 4 Online

Free · No download · Runs in your browser

Play Connect 4 online — free multiplayer in your browser

Real-time Connect 4 against a friend, a stranger or the computer.

Play Connect 4 now

  • Live games against someone on another machine
  • Invite link or 5-character room code
  • AI opponent at several difficulty levels
  • Guest nickname, or a free account
Connect 4 board showing a double threat Three cyan discs sit side by side along the bottom row with an empty square at each end, so cyan completes four whichever end magenta blocks.

How it works

  1. Pick how you want to play

    A friend in a private room, a stranger in quick match, or the AI. Play as a guest or with a free account.

  2. Share a link or a room code

    Private games come with an invite link and a 5-character room code. Quick match pairs you with whoever is waiting.

  3. Play, rematch, climb

    Emotes, one-click rematches, points for every win to spend on skins and trails, and leaderboards to climb.

Ready for a game?

Play Connect 4 online free