Can I play Connect Four against the computer?

Yes. You can play Connect Four against the computer with easy, medium and hard difficulty settings.

Can I play Connect Four with 2 players?

Yes. You can switch to 2-player mode and play on the same screen.

You win by connecting four discs in a row horizontally, vertically or diagonally.

BOARD

VS CPU

TURN: P1

WINS 0-0

FULL SCREEN GIVES THE BEST PLAY VIEW ON LAPTOP AND TABLET

READY — TAP A COLUMN

SETUP

P821

Mode

CPU

Tap: anywhere in a column.

Keys: 1–7 • U undo • N new

Tip: centre columns are strong.

Best view: use FULL SCREEN on larger devices.

SETTINGS

P821/2

Mode

CPU difficulty

SETTINGS SAVED — RETURN TO GAME

How to win: connect 4 in a row.

Rows: horizontal, vertical or diagonal.

CPU speed: 0.4–0.8 second response.

FAQ + SEO

P821/3

What is this? A free online Connect Four game in a retro teletext-style layout.

Who can play? Play Connect Four against the computer or use 2-player mode on one device.

How do you win? Connect four counters in a row horizontally, vertically or diagonally.

Why fullscreen? Fullscreen gives a larger board on laptop and tablet while mobile stays compact and touch-friendly.

Computer levels: Easy, Medium and Hard CPU options are included for casual or more competitive play.

Good for: quick games, classroom board-game play, retro gaming fans, browser play and simple 2-player matches.