Four Up Duel

Drop in, line up four, and win. Play a friend on the same device or take on the AI at three difficulty levels. Simple rules, quick matches, zero clutter.

Four Up Duel is the classic four-in-a-row strategy game, built clean and fast for your phone.

Take turns dropping colored pieces into the grid — the first to connect four in a row, column, or diagonal wins. Easy to learn, endlessly replayable, and perfect for a quick match or a long rivalry.

PLAY YOUR WAY • Pass-and-play with a friend on the same device • Challenge the AI at Easy, Medium, or Hard difficulty • Track wins, losses, and games played for both players

WHY FOUR UP DUEL • Clean, modern design with smooth animations • Fast matches — perfect for a quick break • No account, no sign-in, no internet required • Your stats stay on your device

Whether you're settling a rivalry with a friend or sharpening your strategy against the AI, Four Up Duel brings the classic game you know to a beautifully simple app.