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Tap a grass tile to place a firefly. It lights its row and column until a stone blocks the light. Light every grass tile, keep fireflies out of each other's sight, and match each number on a stone with the fireflies touching it. Home › How to play shows the rules again at any time.

Every puzzle has exactly one solution that can be found by logic alone. Tap Hint: it points to the next tile that can be decided and explains why. Long-press a tile to mark it as dark when you are sure no firefly goes there. The Notebook on the Home screen explains each solving technique with an example and practice boards.

A firefly that cannot be part of the solution costs one of your three lives, and the board shows why (for example a stone that already has enough fireflies). If you run out of lives you can try the puzzle again.

Everyone gets the same puzzle each day, numbered from January 1, 2026. Solve it on consecutive days to grow your streak. Solve three Dailies on their own day within a week (Monday to Sunday) to earn a rest day, up to two at a time: a rest day covers a day you miss, so your streak survives. Past days can be played from the calendar; they plant a seed in your garden but do not count toward the streak. A full moon marks a Daily solved with no mistakes and no hints. Sharing a result only shares your time and a spoiler-free summary.

Night Walk makes endless new puzzles on your device. Pick a garden size from 5×5 to 12×12 and a difficulty from Gentle to Expert; every walk still has exactly one solution you can reach by logic. It opens after you solve 10 Journey puzzles. Large Expert gardens can take a few seconds to grow.

Each page of the Technique Notebook opens the first time a puzzle you solve needs that technique, or a hint shows it to you. Every page has a worked example and six small practice boards you can replay any time.

Every solved puzzle (Journey, Daily or Night Walk) plants a seed, and every ten seeds grow the next bloom: twelve in the Summer Night garden, then twelve more in the Autumn Moon garden. Tap a bloom to hear its note; up to three blooms can join you on the puzzle screen and chime when you solve.

After your first Daily Garden the App asks once whether you want an evening reminder. Change it any time in Settings › Daily reminder, or in your device's notification settings. The reminder is scheduled on your device and skips any day you have already played the Daily.

Sign in with the same Apple Account (iPhone) or Google account (Android), open Settings in the App and tap Restore (also on the Remove Ads screen). Refunds are handled by Apple at reportaproblem.apple.com or by Google Play under its refund policy.

In the App open Settings › Report an Ad: it starts an email to us with your app version. Add a short description or a screenshot of the ad and roughly when you saw it. We will block it with our ad partners.

On iPhone, tracking for personalized ads can be allowed or denied in the prompt the App shows, and changed any time in iOS Settings › Privacy & Security › Tracking. On Android, you can reset or delete your advertising ID in your device settings. In the EEA, UK and Switzerland, Settings › Privacy Choices in the App changes your personalised-ads consent. The one-time Remove Ads purchase turns off the ads between puzzles and the banners. See the Privacy Policy for details.

Yes. Progress, streaks and your garden are stored on your device, so deleting the App removes them. Purchases can always be restored.

Open Settings › Language in the App. Firefly Fields is available in 12 languages.