Instructions: Before clicking start, click on the colored dots in the box to give a white highlight around them. The colors highlighted, from 2-6, will be the only colors used in the game.

Click "Start" to begin. Click on the color you wish to use, then click on the space in which you wish to put it.

After 4 pegs are entered as a guess, the computer may respond with pegs as clues. For every black peg, you have 1 color correct and in the correct spot. For every white peg, you have 1 color correct, but in the wrong spot.

Mastermind solution (opens in new window)
Mastermind strategy table (opens in new window)
Mastermind source code (opens in new window)