Mastermind - Level Editor

Level Name

Difficulty

Custom Win Message

Code Length (2-8)

Max Guesses (4-15)

Number of Colours (2-10)

Allow duplicate colours in the code

Show number labels on pegs (colour-blind friendly)

Peg Shape

Feedback Pip Shape

Click a swatch to customise each colour.

Random solution each game

Uncheck to set a fixed secret code. Click a colour to add it, click a peg to remove it.

📤 Import JSON