Codebreaker

At a glance#

Two humans, or solo against Smooth Bot.

This game needs Premium access for the server where you start it.

The rules#

Crack a four-digit code with no repeated digits. Feedback distinguishes an exact match from a correct digit in the wrong position.

How to play#

1. Choose a supported opponent.
2. Enter four different digits.
3. Use the exact-position and misplaced-digit feedback to narrow the next guess.
4. Continue until the code is solved or the game ends.

Controls and useful commands#

Submit four unique digits. Exact and misplaced hints narrow the search.

New to the Activity? Follow the player quick start to open the room and join a seat.

When something goes wrong#

Remove duplicate digits and check the input has exactly four digits. Feedback describes the guess as a whole; do not assume it labels each digit.

For a lost room or connection, use reconnect and recovery. For a group that cannot start, check the host guide.