Play Link 4 online for quick and addictive brain training. Drop stones to build lines of 4 while you block the computer and plan multi step attacks.
The game runs on all devices and offers 5 AI levels and 2 themes. Start a match in seconds and enjoy short, strategic rounds that sharpen your thinking.
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Desktop
- Click a column with the mouse to drop a stone.
- Or use Left and Right arrow keys to select a column, then press Enter or Space to drop the stone.
Mobile
- Tap a column on the board to drop a stone into that column.
- Use swipe gestures only if the interface supports theme or menu changes; tapping is primary.
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Link 4 is a web-based puzzle game that recreates the classic connect four challenge. Your objective is simple: drop stones into a vertical grid to make a line of 4 in a row. Lines can form horizontally, vertically, or diagonally. Each move changes the board as stones fall to the lowest empty cell in the chosen column.
Play against the computer across 5 difficulty levels, from easy to expert. The game also includes 2 visual themes so you can switch the look while keeping the same rules. Link 4 focuses on short, strategic matches that test planning, blocking, and creating multiple threats. The interface adapts to phone, tablet, and desktop so you can play online anytime.
- Gameplay: Turn based. Click or tap a column to drop a stone. Take turns with the AI.
- Win condition: Get 4 stones in a row horizontally, vertically, or diagonally.
- AI: Five difficulty levels provide a steady challenge and learning curve.
- Themes: Two visual themes let you change the game's appearance without altering play.
Game Details
Category
Puzzle
Developer
Unknown
Technology
HTML5
Platform
Web Browser
Devices
Desktop, Tablet, Mobile
Game Features
Classic Connect Four Rules
Drop stones into columns and make 4 in a row horizontally, vertically, or diagonally to win.
Five AI Difficulty Levels
Choose from 5 levels of computer opponents, from beginner to expert, for a gradual challenge.
Two Visual Themes
Switch between 2 themes to change the board look while keeping the same gameplay.
Cross Device Play
Fully playable on phone, tablet, and desktop with responsive controls and fast loading.
Short Strategic Matches
Each round lasts minutes and rewards planning, blocking, and creating multiple threats.
Frequently Asked Questions
Win by connecting 4 stones of your color in a row. Lines can be horizontal, vertical, or diagonal.
Tap the column where you want the stone to drop. The stone falls to the lowest empty cell in that column.
This version focuses on single player matches against the computer across 5 difficulty levels.
There are 5 AI levels. Start at an easier level and increase difficulty as you improve.
Yes. The game offers 2 visual themes you can switch between without changing gameplay.