Bulls & Cows

A code-breaking puzzle: crack the secret 4-digit number in 10 guesses. Bulls mean right digit in the right spot, cows mean right digit but wrong position. Use the clues from each guess to narrow it down.

Guesses: 0 / 10

Enter your first guess, all digits must be different

How to use

  1. The game generates a secret 4-digit number with all unique digits (no repeats).
  2. Type any 4-digit guess (all different digits) and press Enter.
  3. Normal mode: 🐂 Bull = right digit, right position. 🐄 Cow = right digit, wrong position.
  4. Easy mode: each digit turns green (right spot) or yellow (wrong spot) like Wordle.
Bulls & Cows, ToolHaven