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Connect Four AI is a free browser Connect Four board where you drop discs to make four in a row. Play offline against the built-in AI, sit across from another person on the same device, or watch two AI players. About 40 KB after Play. No account. Online multiplayer is not offered on this page.

Want a deeper turn-based board game? Try Mor Chess 2. Prefer a short AI duel with a different mechanic? Try Rock Paper Neural.

CONNECT FOUR AI

Drop discs on a 7x6 board. Play offline vs AI, local human, or AI vs AI. Adapted from kenrick95/c4 (MIT). About 40 KB.

Click a column to drop. Mouse or tap both work. First load is small and then cached.

Press Play to load the game.
Offline modes only on this page - no remote matchmaking.

Welcome to Connect Four AI - a free browser Connect Four game with no account or install. Press Play, pick offline AI, local human, or AI vs AI, then click a column to drop a disc. About 40 KB loads after Play. Online multiplayer is not available here. For more free browser games, open the game hub. Related picks: Mor Chess 2 and Rock Paper Neural.

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Frequently Asked Questions

What is Connect Four AI?

A free browser Connect Four game. Drop discs on a 7x6 board and try to connect four in a row against AI or a local human.

How do I play?

Press Play, choose offline AI, local human, or AI vs AI, then click a column to drop your disc.

Is online multiplayer available?

No. This page ships offline modes only. There is no remote matchmaking.

How big is the download?

About 40 KB of HTML, JS, and CSS after you press Play. Later visits use the browser cache.

Does it save progress?

No persistent save is required. Each match starts from the settings dialog.

Is this open source?

Yes. Adapted from kenrick95/c4 (MIT, Copyright (c) Kenrick).