brain•Hard
Logic Mastermind (Codebreaker)
GUESSES LEFT8
Logic Codebreaker
⚪⚪⚪⚪
Controls & Instructions
- 1Place 4 colored pegs into your active guess row.
- 2Press Submit Guess to check clue feedback.
- 3Black peg = correct color & position. White peg = correct color, wrong position.
Desktop:
Click Color Peg + Click Row
Mobile:
Tap Color Pegs
Pro Strategy & Tips
- •Start with a row of 2 pairs of colors (e.g. Red-Red-Blue-Blue) to quickly narrow down active colors.
About Logic Mastermind (Codebreaker)
Classic Mastermind code-breaking logic game. Deduce a secret 4-color code within 10 guesses using clue feedback pegs (Black peg = right color & spot, White peg = right color wrong spot).
Category Hub & Topic Clusters
Explore More in Brain & Logic
Mental math drills, odd-one-out perception, and Stroop focus tests.
Frequently Asked Questions - Logic Mastermind (Codebreaker)
Yes, colors can appear more than once in advanced difficulty mode.