Game Manuals
Read the controls and rules before you start.
Signal
Signal
Play SignalUse row, column and cluster clues to mark every grid cell.
- Read the required Signal count for each row and column.
- Mark Signal and Noise cells. Use the listed straight cluster sizes.
- Keep clusters apart, including diagonally. Mark every cell before Submit.
Rules
- Row and column clues
- Each number gives the Signal count in that row or column.
- Clusters
- Clusters are straight horizontal or vertical groups. Separate clusters cannot touch, including diagonally.
- Hints
- A session can reveal up to three protected cells. Hints reduce the score.
- Retries
- Daily and ranked modes do not offer retries. Available retries use the displayed score penalty.
Before you submit
- A zero clue rules out every Signal cell in its row or column.
- Compare row and column counts before you mark a cluster.