Connect Four Online

The classic four-in-a-row game — play free vs the computer or a friend.

Play Connect Four online — free

Connect Four Online is a free browser version of the classic four-in-a-row strategy game. Drop your discs, block your opponent, and be the first to line up four. It works on phone, tablet and desktop — no download and no sign-up.

How to play

Two players take turns dropping coloured discs into a grid of seven columns and six rows. Each disc falls to the lowest free slot. The first player to connect four discs in a row — horizontally, vertically or diagonally — wins the game.

Game modes

Local 2-player — play against a friend on the same device.
Vs computer — test yourself against the AI opponent.
Online with a friend — create a game and share the link to play in real time.