Connect Four
Click a column to drop a piece. The first to line up 4 of their pieces — horizontally, vertically, or diagonally — wins. Play against the computer or two players on one device.
Teal
0
Amber
0
Draws
0
How to play
- Pick a mode — against the computer (with a difficulty level) or two players on the same screen.
- Click anywhere in a column — the piece falls to the lowest open spot.
- The first to connect 4 pieces in a row — horizontally, vertically, or diagonally — wins.
- If the board fills up with no winner, it's a draw.
Frequently asked questions
How hard is level 3?
The computer looks several moves ahead (minimax with alpha-beta pruning) — it's tough to beat, but unlike Tic-Tac-Toe, not unbeatable.
Is the score saved?
Yes, wins for each color and draws are saved in your browser (localStorage) and persist between visits.
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