Four in a Row
Four in a Row is a classic 7x6 gravity game: drop discs into columns and connect four horizontally, vertically, or diagonally.
World and Mission
Every disc changes both the visible threat and the future landing height of a column. A strong move creates a line while limiting the opponent's reply.
The direct Battle loop keeps the board readable from the first drop to the Result. Replay resets the board so a different opening can be tested immediately.
How the Systems Work
The board has seven columns and six rows. A disc falls to the lowest open cell in its selected column; a full column cannot accept another disc.
A round ends when a player connects four discs horizontally, vertically, or diagonally, or when the board fills. Difficulty changes the AI response, not the win rule.
Hint highlights one tactical suggestion without auto-playing it; Undo restores the prior turn. Result offers Replay and Main, while local settings stay in this browser.
How to Play
- Choose a difficulty, then select a column to drop your disc.
- Read the highlighted legal move and plan for a horizontal, vertical, or diagonal four.
- Use Hint for one tactical suggestion without auto-playing the move.
- Reach four in a row before the AI, then use Replay or Main to continue.
Strategy Tips
- Prefer the center columns early because they support more horizontal and diagonal lines.
- Before making a drop, check the opponent's next winning column as well as your own immediate threat.
- Avoid creating a winning-looking cell that gives the opponent a forced reply on the next turn.
Campaign and Difficulty Growth
Easy, Medium, and Hard change the opponent's decision pressure while keeping the same 7x6 board and four-line win condition.
Replayable rounds make progress visible through better openings, safer blocks, and fewer forced replies rather than account levels.
Developer Design Note
Four in a Row uses the shared Classic Logic Lab shell, a responsive 7x6 gravity board, AI-turn lock, advisory Hint, reversible Undo, Result recovery, and browser-local preferences.
Player and Save Information
Four in a Row is a general-audience browser strategy game. No account or purchase is required; settings and any available best result stay in this browser.
FAQ
- How does a disc move?
- Choose an open column; the disc falls into the lowest available cell.
- How do I win?
- Connect four discs horizontally, vertically, or diagonally.
- Is progress saved?
- Settings and any available best result stay only in this browser.
- What does Hint do?
- Hint highlights one tactical suggestion; it does not place a disc for you.
- What happens when the board fills?
- If neither player connects four, the full board ends the round; Result offers Replay or Main.
