Bulls & Cows is a classic code-breaking logic game. Your goal is to deduce a secret 4-digit number with all digits unique. After each guess you’ll see:
Use the feedback to zero in on the secret code. Get 4 Bulls to win!
New daily code every day — come back tomorrow for a fresh challenge.
🧠 Daily Game — one new 4-digit code every day. Navigate back through previous days if you want more games. Share results and compare with friends.
🐂 Bull Rush — a five-clue daily variant that narrows to a single unique solution. One shot to get it right.
🌈 Color Cows — the same Bulls & Cows logic but with colours instead of digits. A fresh daily challenge.
🥯 Pico Fermi Bagels — the classic three-digit version with Fermi, Pico and Bagels clues. A daily puzzle with its own heritage.
🔒 Lockpick — a code-cracking variant with a different twist on the feedback rules.
🪵 Haystack — build and share your own Bulls & Cows puzzles. Great for classrooms and friend challenges.
⚔️ Multiplayer — challenge a friend in real time. Both players set a secret code and race to crack each other's first.
Compete with players worldwide on our global leaderboard:
The Daily Game is ranked by lowest average guesses across recent wins.Play consistently to improve your ranking — no login required; we aggregate anonymous stats.
Bulls & Cows has been played for generations and inspired modern classics like Mastermind. It’s a favourite of puzzle fans, teachers, and anyone who enjoys smart logic challenges.
Do you have feedback, new game ideas, or have you found a great strategy? We’d love to hear about it.