Free daily Star Battle logic puzzle
Star Battle Online is a free daily Star Battle (Two Not Touch) logic puzzle game, playable in the browser with no login. Players place stars on a grid so that no two stars touch each other. The site also includes a puzzle archive, a solver, a rules guide, and printable PDFs.
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Turn public YouTube and Bilibili videos into searchable transcripts, structured notes, and timestamped summaries.
Ask questions and keep notes without leaving the book.