About Connect Four
Connect Four is a two-player game played on a standing grid of seven columns and six rows. You take turns dropping discs into the columns, where they fall to the lowest open slot, and the first to line up four of their color in a row wins. Gravity does half the work, which is why it is so easy to pick up.
Behind that simplicity is a genuinely sharp game. Because you can only drop into the top of a column, every move builds the board for both players, and the winning line is usually a diagonal you did not notice forming. The satisfying clunk of a disc dropping into place is part of the fun, but so is the sting of missing a threat.
You can play Connect Four free in your browser against a computer that scales from an easy warm-up to a genuinely annoying opponent, or against a friend on one screen. No download needed. You will grasp it on the first game, and start spotting the traps a few games after that.
Controls
You play by dropping discs into columns. Tap the column where you want your disc to go, and it falls to the lowest empty slot. That is the only move you make, which keeps things fast.
The board's shape is what makes it interesting:
- Dropping a disc places it at the bottom of the chosen column, stacking on top of whatever is already there. You can't place a disc anywhere but the lowest open slot.
- A winning line is four of your discs in a row, going across, straight up, or along either diagonal. Diagonals are the ones players miss most often.
The game ends when someone connects four, or in a draw if the grid fills with no line.
Against the computer, the difficulty rises across eight levels, so the opponent goes from missing threats to setting traps you have to see coming.
Tips
- Play the center column early. The middle column takes part in the most possible four-in-a-rows, so controlling it gives you more ways to build a line and to block your opponent.
- Always check the diagonals. Vertical and horizontal threats are easy to spot, but diagonal lines sneak up on people. Scanning the diagonals each turn catches the threats you would otherwise miss.
- Watch what your disc sets up above it. Dropping a disc can hand your opponent the slot right on top. Before you play, make sure you are not building the platform for their winning move.
- Create a double threat. If you can make a move that threatens to connect four in two different places at once, your opponent can only block one, and you win with the other.
- Block their three-in-a-row at once. When your opponent has three discs lined up with an open end, you have to block that turn, because leaving it lets them complete the four.
- Think about odd and even rows. Advanced play uses the fact that threats on certain rows are harder to answer. Even just noticing which player is forced to fill a dangerous slot will win you close games.
Frequently asked questions
Is Connect Four free to play?
Yes. You can play as much as you want with no download and no account.
How do you play Connect Four?
Two players take turns dropping discs into a grid of seven columns. Each disc falls to the lowest open slot. The goal is to be the first to line up four of your discs in a row, column, or diagonal.
How do you win at Connect Four?
You win by connecting four of your discs in a straight line, in any direction. The strongest way to force a win is to set up two threats at once so your opponent can only block one.
Can I play against the computer?
Yes. You can play the computer across eight difficulty levels, or play a friend on the same device. The higher levels plan several moves ahead and set traps.
Can I play Connect Four on my phone?
Yes. It runs in any modern mobile browser, and you drop discs by tapping a column, so it works well on phones and tablets.
How do I get better at Connect Four?
Take the center early, always scan the diagonals, and check what each of your drops lets your opponent do next. Learning to build two threats at once is what turns close games into wins.