Connect Four
Drop colored discs into a 7×6 grid and connect four in a row before the AI does. Play against three difficulty levels — from casual random play to a deep minimax AI that plans every move.
Strategy
Connect Four
🔴 Connect Four
Drop colored discs into a 7×6 grid and connect four in a row before the AI does. Play against three difficulty levels — from casual random play to a deep minimax AI that plans every move.
📖 How to Play
Tap any column to drop your yellow disc. Connect four discs horizontally, vertically, or diagonally to win. Beat the AI across multiple rounds to build your score!
About this game
Why play Connect Four online?
Connect Four is a free strategy game that runs in your browser. No download, no account — just open it and play on phone or desktop.
Quick tips for better runs
- Play one short practice round first so the controls feel automatic.
- Use fullscreen when you want cleaner focus and fewer accidental scrolls.
- After a run ends, try a related game in the same style instead of leaving the site.
Good session fit
Connect Four works well as a quick browser session. When you are done, jump into a similar free game from the same category.
⭐ Features
- ✓ 100% free — no purchases, no paywalls
- ✓ Plays directly in your browser — no download required
- ✓ Works on desktop, tablet, and mobile
- ✓ Smooth 60fps HTML5 Canvas gameplay
- ✓ Your high scores are saved locally
- ✓ No registration or account needed
❓ Frequently Asked Questions
How do I win in Connect Four?
Drop your yellow discs to form a line of four in a row — horizontally, vertically, or diagonally. The first player to connect four wins the round.
How does the AI difficulty work?
Easy picks random columns. Medium blocks your wins and takes immediate winning moves. Hard uses the minimax algorithm with alpha-beta pruning — it thinks several moves ahead for a strong strategic challenge.
Is Connect Four free to play?
Yes, completely free! No downloads, no accounts, no in-app purchases. Connect Four runs entirely in your browser on any device.