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Mastermind 3D
Place colored glass marbles on a wooden board. Use exact and partial matches to crack a four- or five-color code in eight guesses.
Free to play, no sign-up. The game loads when you choose Play now.
How the game works
Place colored glass marbles on a wooden board. Use exact and partial matches to crack a four- or five-color code in eight guesses.
Controls
Tap palette marbles or drag them into slots; press the check button to submit. Erase clears; the circular arrow restarts.
A useful first move
Use each guess to test a hypothesis, distinguishing correct positions from correct colors.
Who might enjoy it
For players who like studying rules and working out order or spatial relationships rather than racing a timer.
Ready to give it a try?
You can return to this guide from the player.
