Numbers · Number deduction
Bulls & Cows
The classic xAyB game — find the secret number in as few guesses as possible.
About Bulls & Cows
Bulls & Cows is the classic number deduction game. Guess a secret number with all different digits; A counts digits in the right place and B counts right digits in the wrong place. Crack it in as few guesses as possible.
Play a new daily puzzle every day, or pick Easy, Medium or Hard in practice mode for unlimited puzzles.
How to play
- Guess a secret number whose digits are all different (Medium: 4 digits, may start with 0).
- After each guess: A counts right digits in the right place, B right digits in the wrong place.
- Secret 1234, guess 1243 → 2A2B. Easy uses 3 digits, Hard 5.
A hint reveals one digit and how many codes are still possible.
Type digits on the keypad or keyboard and press Enter.
Tips & strategies
- Use the first two guesses to cover as many digits as possible.
- A result of 0A0B rules out all those digits at once.
- Keep every guess consistent with all feedback so far.
FAQ
How do you play Bulls & Cows?
Guess a secret number whose digits are all different (Medium: 4 digits, may start with 0). After each guess: A counts right digits in the right place, B right digits in the wrong place. Secret 1234, guess 1243 → 2A2B. Easy uses 3 digits, Hard 5.
Is there a new Bulls & Cows puzzle every day?
Yes. A new daily puzzle arrives at midnight (your local time) and everyone gets the same one. Missed days can be played from the archive.
Do I need to sign up or install anything?
No. Daily Brain runs in your browser. You can add it to your home screen and it keeps working offline after the first visit. Progress is stored only on your device.
Are there difficulty levels and hints?
Practice mode offers Easy, Medium and Hard with unlimited new puzzles. Hints are available when you get stuck and are recorded in your result.