Play Connect 4 Online Free (vs Friend or AI)
Connect 4 is a gravity-based strategy game where two players take turns dropping colored discs into a vertical grid, racing to line up four in a row horizontally, vertically, or diagonally. Play it free in your browser right now — no download needed, just share a link and your opponent can join instantly from any device.
- Connect 4 — Drop discs into the grid and be the first to line up four in a row in this free browser classic. (how to play)
- Tic-Tac-Toe — The simple but competitive grid game that pairs perfectly with a Connect 4 session. (how to play)
- Chess — Step up to the ultimate grid-based strategy challenge with full chess rules in the browser. (how to play)
- Dots & Boxes — Claim territory by completing squares in this sneakily strategic two-player pencil game. (how to play)
- Math Duel — Compete head-to-head on mental arithmetic puzzles in this fast-paced online duel. (how to play)