play4row is the modern home for Connect Four. Play ranked matches online, sharpen your tactics with daily puzzles, study your games with engine review, and climb the global leaderboard.
REAL-TIME MULTIPLAYER
• Play live against opponents from around the world
• Glicko-2 rating system tracks your skill
• Quick games (3+2) or longer (5+0) time controls
• Casual or ranked modes
PUZZLES
• Tactical positions from real games
• Find the winning move under time pressure
• Track your puzzle rating, current streak, and best streak
• Built from a database of millions of perfect-play positions
ENGINE & GAME REVIEW
• Strong AI engine to play against at any level
• Game review highlights mistakes, blunders, and missed wins
• Move-by-move evaluation comparing your move to the engine's best
• Learn from every game
FRIENDS & CHAT
• Add friends, challenge them directly
• Direct messages between players
• Public profiles with rating and game history
• Share games via links
PROFILES & STATS
• Win rate, longest streak, puzzle accuracy
• Full game history with replay
• Achievement medals as you progress
• Climb the global leaderboard
PRIVACY-FIRST
• No ads
• Optional anonymous play — no signup required
• Secure email/password or Google sign-in
• Your data stays yours
play4row brings the depth of competitive online chess to Connect Four. Whether you're discovering the game or pushing toward 2000 rating, this is where you play.
Free. No ads. No tricks.