Play Bulls and Cows online - challenge your mind with pure logic
From 19th-century pen-and-paper games to its sophisticated digital version, Bulls and Cows remains a universal test of ingenuity. Play against the computer or invite your friends in real time - all from your browser, with no downloads or complicated sign-ups.
Ready for action?
Every match will force you to design new strategies. No two codes are the same!
Select a game mode
Online tournament
Compete with players from all over the world
Benefits of playing Bulls and Cows online
Besides being an addictive pastime, Bulls and Cows online strengthens your logical thinking, problem-solving skills and ability to process partial information quickly.
Mental power
Each round exercises your logic and strategic deduction.
Precision
Improve your ability to analyse clues and make accurate decisions under pressure.
Mental agility
Boost your processing speed and adaptability to new challenges.
Available game modes
Choose your favourite mode
Classic Human vs Human
Most popularChallenge friends and family face to face. Prove who has the better strategy and become a legend!
Human vs Machine
Train your skillsTake on our advanced AI and prove your logic by cracking the randomly generated secret number.
Machine vs Human
Reverse challengeLet the AI try to guess your code and watch how it applies deduction algorithms.
Online tournament
Coming soonCompete in elimination brackets and climb the global ranking. Show your talent to the world!
Be part of the development!
Are you a developer or designer? Join our open-source project and let's build the best tournament mode together.
👨💻Contribute on GitHub