About Code Breaker
Code breaking is a classic deduction game. Every clue narrows down the possibilities, so logic beats luck.
Code Breaker at a glance
| Genre | Logic game |
|---|---|
| Price | Free, no download or sign-up |
| Controls | Tap |
| Typical game length | 5 to 10 minutes |
| Lives | 3 per game |
| Works on | Phones, tablets and computers, in any modern browser |
| Daily challenge | Yes, the same puzzle for everyone each day |
How to play Code Breaker
- Pick four colors. Then tap Check.
- Read the pegs. Black: exact match. White: right color, wrong place.
- Crack it in 10 tries. 24 levels.
Rules
- Colors can repeat.
- Running out of tries costs a heart; 3 hearts.
Levels and difficulty
24 levels. You get 10 tries on the first levels, dropping to 6 on the hardest. Your progress is saved on your device, and you can replay any level you have unlocked.
Scoring
40 points for every try you have left when you crack a code. Daily challenge scores can be shared with friends.
Tips and strategy for Code Breaker
- Start with guesses that test many colors at once.
- Change one thing at a time to see what moves the pegs.
History of the game
Mastermind was invented by Mordecai Meirowitz in 1970, based on the older pencil game Bulls and Cows.
How we built and tested Code Breaker
We verified the peg grading, including repeated colors, against the standard Mastermind rules.
Frequently asked questions
Can colors repeat?
Yes.