Ages 9–12 · Free to play

Secret Code

Guess the color code. A filled mark means right color and place; an empty mark means right color elsewhere.

Getting ready…

How to play

Guess the color code. A filled mark means right color and place; an empty mark means right color elsewhere.

About this activity

Secret Code: Use clues, test a plan, and explain how the pieces fit together.

What to practice
Use clues, test a plan, and explain how the pieces fit together.
Controls
Tap the controls or use Tab and Enter/Space. For movable pieces, select a piece and then its destination; supported pieces can also be dragged.
Choosing a level
Start with Easy. Medium and Hard extend the activity with more rounds, choices, or a larger challenge. You can change the level or restart at any time.

Big buttons and simple controls on phones, tablets, and computers.

How to play

Guess the color code. A filled mark means right color and place; an empty mark means right color elsewhere.