The 5 × 5 grid is where Star Battle starts. One star per row, column, and region, and the no-touch rule doing all the work: every placed star immediately rules out its eight neighbors, so small boards teach you to see those exclusions at a glance.
If you've played LinkedIn's Queens, this size will feel familiar — Queens is essentially a 1-star Star Battle with colored regions. New to both? The how-to-play guide covers the rules, or jump into today's daily puzzle when you're ready for the full-size format.