Connect Four Online with Friends

Drop discs into seven columns and connect four in a row, column, or diagonal — solo vs Computer or with a friend.

Play Connect Four online with friends. Create a private room and share its link, or play Solo vs Computer. No account or download.

Create a private game

Choose "Play with a Friend" then "Invite friend" to create a private room.
Select "Copy" or "Share invite link" to send the invitation to your friend.
Your friend opens the shared link on their device and chooses "Sit down" to join with no account or install.

Do I need an account or app download?: No account or download is required. Play directly in your desktop or mobile browser.
Can we play on separate devices?: Yes. Both players connect on separate phones, tablets, or computers using the room link.
Can I play solo vs the computer?: Yes. Connect Four includes a Solo vs Computer practice mode alongside online friend play.

A move drops one piece into one of seven columns and it falls to the lowest free cell.
Four contiguous pieces in a row, column, or either diagonal win.
A full board with no line of four anywhere is a draw.

Click or tap any column (or press 1–7 / Arrow keys + Enter) to drop a disc. Works with mouse in browser.

Click or tap any column (or press 1–7 / Arrow keys + Enter) to drop a disc. Touch controls scale to mobile screens.

Enable JavaScript to play. Choose Invite friend and share the room link to play on separate devices.

Backgammon — Fifteen checkers, seeded dice, race home and bear off.
Checkers — English draughts where diagonal capture chains are mandatory.
Chess — Full chess rules including castling, en passant, promotion, and 50-move draw.
Dots and Boxes — Forty lines and sixteen boxes on a 5×5 dot grid; closing a box earns a bonus turn.
Go — 9×9 Go with positional ko and Chinese area scoring (6.5 komi).
Ludo — Two seats, four tokens each, racing around a 52-square track to home.