Play Connect Four (Connect 4) Online Against AI

Connect Four, also called Connect 4 or 4 in a Row, is won by dropping discs into columns and completing a line before your opponent. Play Connect Four (Connect 4) free in your browser against adjustable AI. No download or account.

Why play Connect Four here?

Everyone knows the rules; the top level still wins. Four AI levels on the standard 7×6 grid, with Master Hint marking the column and the depth it searched. Free, straight in your browser.

How You WinBe the first to get four of your disks in a row horizontally, vertically, or on either diagonal. If all 42 squares fill with no line of four, the game is a draw.

Board
7 columns × 6 rows
First move
Red

Complete Connect Four (Connect 4) rules and beginner guide

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