Four in a Row

Drop discs into a seven-column grid and line up four in a row before the computer does. Three difficulty levels, undo and hints. Board

How to play

1. Take turns dropping a disc into one of the seven columns. It falls to the lowest free spot.
2. Line up four of your discs horizontally, vertically or diagonally to win.
3. If the board fills up with no line of four, the game is a draw.

Controls

• Mouse / touch: tap a column to drop a disc
• Keyboard: left/right to pick a column, Enter, Space or down to drop, keys 1-7 drop directly
• Undo takes back your move and the reply; hints show the best column