# qTime > qTime is a free, daily brain-training web app offering stress-free logic puzzles. Users can play Sudoku, Mahjong, Memory, and Mastermind in a beautiful, minimalist, mobile-first feed, and build daily streaks on the Daily Challenge page. ## Key Pages - [Home / Game Feed](https://qtime.social/): The main puzzle feed where users swipe through a curated selection of daily brain games. Games are served one at a time in a vertical swipe layout for a calm, focused experience. - [Daily Challenge](https://qtime.social/daily): A structured daily set of four puzzles (Sudoku, Mahjong Mini, Mastermind, Memory) with a streak-building system. Users earn points for completing games and can spend points to restore a broken streak. ## About qTime - qTime is completely free to play with no downloads required — it runs in any modern web browser. - Designed for short, focused daily sessions — the ideal mental warm-up or break-time activity. - Game types available: - **Sudoku**: Classic 9x9 logic grid puzzles. - **Mahjong**: Tile-matching puzzles in a compact layout. - **Memory**: Card-pair matching game to test recall. - **Mastermind**: Code-breaking game with colour pegs. - Users earn points for every game completed. Points can be used to rescue a broken daily streak. - New puzzles are added regularly to the feed. ## Optional - [Manifest](https://qtime.social/manifest.webmanifest): Progressive Web App manifest for offline / home screen use.