Gooby
Works offline
After the first visit every game and every puzzle lives on your phone. No connection needed — ever.
Free · Offline · No ads
Puzzle games that just work. Anywhere.
High-quality puzzle apps you install straight from your browser. They work fully offline, show no ads, track nothing and never ask you to sign up.
- Works offline
- Zero ads
- No tracking
- No sign-up
Built to be calm, safe and always ready
No distractions between you and the puzzle. Just open it and play — on the train, on a plane, or with no signal at all.
Free of ads
No banners, no pop-ups, no “watch a video for a hint”. Nothing to buy, nothing to unlock with money.
Safe and private
No account, no email, no trackers, no analytics. Your progress stays on your device, with an anonymous backup.
Feels like an app
Add it to your home screen and it opens full screen, updates itself and never needs an app store.
The games
Over 6,500 puzzles, each verified to have exactly one solution — so every one can be solved by logic alone. New to a game? Read the Sudoku techniques guide, the Meowdoku rules, the Unruly guide or the Atlas guide.
Sudoku
The classic, made kinder. Fill every row, column and box with 1–9.
- Six levels from Easy to Extreme
- Hints that teach the technique, not just the answer
- Notes-first input that prevents slips
Meowdoku
A Queens-style logic puzzle with cats: one cat in every row, column and colour — and no two cats may touch.
- Colourful logic puzzles from 6×6 to 10×10
- Difficulty adapts to how well you play
- Tap for ✕, double-tap for a cat
Unruly
A two-colour binary puzzle (Takuzu-style): never three in a row, and every row and column half blue, half orange.
- Boards from 6×6 to 12×12
- Difficulty adapts to how well you play
- Tap to fill, hold for the other colour, drag to fill a run
Atlas
A map colouring puzzle: paint every region with one of four colours so that no two neighbours match.
- Organic maps from 15 to 36 regions
- Difficulty adapts to how well you play
- Notes, hints and colour-blind symbols
Install in 10 seconds
No app store and no download page — your browser installs it. Pick your phone:
- Open in SafariVisit this page in Safari on your iPhone or iPad.
- Tap ShareTap Share at the bottom of the screen (top right on iPad).
- Add to Home ScreenScroll the list and tap Add to Home Screen, then Add.
- Play from the iconOpen Gooby from your home screen. It now works offline.
Tip: installing to the home screen also keeps your progress safe — Safari can clear data for sites you haven't installed.
- Open in ChromeVisit this page in Chrome (Edge and Samsung Internet work too).
- Open the menuTap ⋮ in the top-right corner.
- Install appTap Install app or Add to Home screen, then Install.
- Play from the iconOpen Gooby from your home screen or app drawer. It now works offline.
- Open in Chrome or EdgeSafari on a Mac works too (File → Add to Dock).
- Click InstallClick the install icon at the right end of the address bar.
- ConfirmClick Install. Gooby gets its own window.
- Play anytimeLaunch it like any other app — even without Wi-Fi.
Your browser supports one-tap install.
Questions
Is Gooby really free?
Yes. Every game and every level is free. There are no ads, no in-app purchases and no paid hints.
Does it work without internet?
Yes. After the first visit the games and all puzzles are saved on your phone, so you can play with no connection at all, even in airplane mode.
Do I need the App Store or Google Play?
No. Gooby is a web app: add it to your home screen from Safari on iPhone or Chrome on Android and it opens full screen like any other app.
Do I need an account?
No. There is no sign-up and no email. Your progress is saved on your phone, with an anonymous backup you can restore on a new phone using a code from Settings.
What data do you collect?
No personal information, no trackers and no analytics. Only an anonymous device ID and the results of games you finish are backed up, so you can restore your history.
Ready for a puzzle?
No download page, no account. One tap and you're playing.