Four in a Row
StrategyFree to playDrop discs and connect four of your color in a row to win!
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How to Play
Four in a Row is a classic strategy game. Drop discs into columns — they fall to the lowest open slot. Connect four of your color in a row (horizontal, vertical, or diagonal) to win.
Play against a friend by taking turns on the same device. The grid is 6 rows by 7 columns, so a full board holds 42 discs, and a disc always falls to the lowest free slot in its column — you never choose the height.
Every placement is checked immediately in all four directions, so a win is detected the moment the fourth disc lands, including diagonals. Columns fill from the bottom up, and once a column holds six discs it simply stops accepting more.
Controls
- Click column — Drop a disc in that column
- Restart — Reset the board
Tips & Tricks
- 1Control the center columns — they participate in more lines
- 2Block opponent three-in-a-row threats immediately
- 3Set up double threats where two wins are possible next turn
- 4Watch vertical stacks — they are easy to overlook
- 5The centre column belongs to 14 possible winning lines while an edge column belongs to only 7, which is why centre control decides most games
- 6A threat one row above your opponent's is stronger than one at the same height, because they cannot block it by stacking
- 7Since discs cannot be placed at a chosen height, building a vertical four means owning a column outright — do not start one you cannot finish
Frequently Asked Questions
How do I win?
Place four discs of your color in a straight line before your opponent.
Can columns fill up?
Yes. A full column rejects new discs — plan ahead.
Is this multiplayer online?
No. This version is local turn-based play in the browser — two people share one device. There is no computer opponent.
Are diagonal wins detected?
Yes. Every placement is checked horizontally, vertically and along both diagonals.
How large is the board?
6 rows by 7 columns, giving room for 42 discs in total.
Who moves first?
Red opens the game and turns alternate automatically after each drop.
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