Play Connect Four Online
Challenge real players from around the world. Ranked matches, casual games, and private rooms with friends. Free to play.
Ranked Matches
Compete for rating points using the Glicko-2 system. Climb the leaderboard and prove your skill.
Multiple Time Controls
From 30-second bullet games to 15-minute rapid matches. Pick the speed that suits your style.
Game Review
Analyze every game with computer evaluation. See which moves were best, good, or blunders.
Online Connect Four Multiplayer
play4row is the first dedicated competitive Connect Four platform. Find an opponent in seconds with automatic matchmaking, or challenge a friend with a private room code.
Every ranked game affects your rating. Win against stronger opponents to climb faster. The Glicko-2 rating system measures both your skill and consistency, so your rating reflects your true playing strength.
Game Modes
Ranked matches count toward your rating and appear on the global leaderboard. Casual games let you play without rating pressure. Private rooms let you challenge specific friends with a shareable code.
Time Controls
Choose from bullet (30 seconds to 2 minutes), blitz (3 to 5 minutes), or rapid (10 to 15 minutes). Each time control has its own leaderboard, so you can specialize in the format you enjoy most.
Frequently Asked Questions
How do I play Connect Four online with friends?
On play4row, click "Play Now", choose "Challenge a Friend", and share the private room code. Your friend enters the code to join and the game starts immediately. No accounts required to use private rooms.
Is play4row free to play?
Yes. Online matches, ranked and casual play, the AI engine, puzzles, the solver, and game review are all free. There are no ads in-game and no paid tiers.
Do I need to download anything?
No. play4row runs in your browser on desktop and mobile. Just open play4row.com and start playing — no install, no plugins, no app store.
Can I play Connect Four on mobile?
Yes. The site is fully mobile-friendly. The board, matchmaking, chat, and game review all work on iOS and Android phones in any modern browser.
How does the rating system work?
Ranked games use the Glicko-2 rating system, which tracks both your skill level and how confident the system is in that estimate. Each time control (bullet, blitz, rapid) has its own rating, and the global leaderboard ranks players by Glicko-2 score.
Start Playing Now
Jump into a game in seconds. No download required.