🔴 4 en Línea (Four in a Row) online free — with friends or against the computer

4 en Línea (Four in a Row) guide: rules, how to play and tips

What is it?

Four in a Row, known in Spanish as 4 en Línea and to many people as Connect 4, is a game you can learn in ten seconds and keep enjoying for years. Two players take turns dropping chips into an upright grid, and the first to line up four of their color wins. It looks simple, but every column hides threats, blocks and traps that turn a quick game into a real duel.

Setup

• The board has 7 columns and 6 rows, for 42 spaces in total.
• One player takes red and the other yellow. On WePlay red opens the first game, and colors swap on every rematch so nobody keeps a permanent edge.
• Nothing needs to be dealt: each player has 21 chips, enough to fill the whole grid.

Rules

1. On your turn pick a column and drop one chip; it falls to the lowest empty space in that column.
2. You cannot place a chip in mid-air or skip your turn.
3. The first player to make an unbroken line of four of their own chips wins: horizontal, vertical or on either diagonal.
4. If all 42 spaces fill up and nobody has four in a row, the game is a draw.
5. A full column accepts no more chips, so you have to choose another one.

How to play on WePlay

1. Open weplay.zone in the browser on every phone. There is no app to install and no account to create.
2. If everyone is on the same Wi-Fi, they land at the same table automatically. Anyone far away or on cell data taps Invite and joins with the link, the QR code or the 4-letter code.
3. The host picks 4 en Línea (Four in a Row) and taps Start. Each phone shows only its own player’s information; the table is shared in real time.
4. Nobody else around? Open Play the computer and the game starts instantly against a computer opponent.
5. Tap the column where you want your chip; the animation shows where it lands, and the board updates at the same moment on your opponent’s phone and for anyone watching.
6. The daily Four in a Row challenge opens with a pair of chips already placed and a stronger computer opponent: everyone gets the same starting position that day.

Tips and strategy

• Play through the middle. The center column is part of more possible lines than any other, so whoever controls it usually has more options.
• Before every move ask two questions: can I win right now, and will my opponent win next turn if I don’t block?
• Avoid dropping a chip directly under the square your opponent needs; you would be handing them the support for their fourth chip.
• Try to build two threats at once. If your opponent can only block one, the other one wins.
• Odd and even rows matter late in the game: as the board fills up, the turn order decides who gets the key square.

FAQ about 4 en Línea (Four in a Row)