Secret Code: play Mastermind online
The code-breaking game (Mastermind style): guess the hidden combination of colors from the clues after each try.
Play Secret CodeFree, zero ads, no sign-up, on mobile and desktop.
How to play
Crack the secret code: ● right place, ○ right color in the wrong place.
What this game trains
- Logical reasoning: deduce the solution from the rules, without guessing.
- Working memory: keep a few items in mind and recall them.
Levels
Easy · Hard · Expert · Hardcore — each level has its own leaderboard.
Challenge your friends
At the end of a game, send your score as a link: your friend plays exactly the same game and you compare your times. There is also a daily challenge and tournaments.