A free online multiplayer number deduction game — no download required.
Guess The Number is a free online game based on the classic Bulls and Cows number deduction puzzle. Players challenge each other — or the AI — to crack a secret 4-digit code using logical deduction and process of elimination.
The game is entirely browser-based. No app download, no installation. Just open the site and start playing instantly.
Each player secretly picks a 4-digit number (no repeated digits, no leading zero). Players take turns guessing each other's number. After each guess, the other player gives feedback:
The first player to correctly guess their opponent's number wins. Matches typically take 5–10 rounds and require a mix of logic, memory, and strategy.
Play against real opponents worldwide via auto-matchmaking or private room codes.
Practice against our intelligent AI solver that uses constraint-based deduction.
Compete in ranked matches and climb the global leaderboard by wins.
Play pass-and-play on the same device with a friend — no account needed.
Works on any device with a browser. Mobile-friendly and fast.
5 free games per day. Watch an optional ad for extra games, or go unlimited with Premium.
We believe classic puzzle games deserve a modern, accessible home on the web. Guess The Number brings a beloved pen-and-paper game to the browser — free, fast, and fun for all ages.
The game is suitable for players aged 10 and up, and is a great exercise in logical reasoning and systematic thinking.