Connect Four
Drop discs to line up four in a row. Play a friend or a smart minimax AI with easy / medium / hard / expert levels.
Connect Four
Drop discs and be first to line up four — across, down, or diagonally.
Tap a column to drop your disc — it falls to the lowest free slot. First to connect four wins the round; scores carry across rounds until you reset. On desktop use ← → to aim and ↓ / space to drop.
← → aim · 1–7 pick column · ↓/space drop · U undo · R restart Tap a column on the board or the arrows below to drop.
Why you’ll love Connect Four
Instant & free
No signup, no paywall, no limits — Connect Four works the moment the page loads.
Completely private
Everything runs in your browser. Nothing you enter is ever uploaded or stored on a server.
Works on any device
Fully responsive and touch-friendly — use it on your phone, tablet or desktop.
Beat your best
High scores and streaks save on your device — and results are shareable.
How to use it
Open it
No download and no login — the tool is ready right at the top of this page.
Use it
Enter your details or start interacting. Everything updates live as you go.
Get your result
Copy, download or share your result in a single tap. That’s it.
Frequently asked questions
Connect Four is 100% free — no signup, no watermarks and no usage limits. It’s one of 200+ free tools we build and give away.
Yes — best scores save in your browser and most games give you a shareable result to challenge friends.
Completely. Connect Four runs entirely in your browser (client-side). Nothing you type, upload or generate is sent to our servers, so your data never leaves your device.
No. It works instantly in any modern web browser — Chrome, Safari, Edge or Firefox — on desktop and mobile. You can even install this site as an app.
Yes. The tool is fully responsive and touch-friendly, so it works great on phones and tablets as well as computers.
Workaholic Developers — a software & AI studio. We built Connect Four (and 200+ other free tools) to show what we can do. Need something custom built? We’d love to help.
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We built this. We can build yours.
Connect Four is one of 200+ free tools from Workaholic Developers — a software & AI studio. Need a website, app, AI agent or automation? Let’s talk.
🇮🇳 Built by Workaholic Developers
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