Barkoku

Contains adsIn-app purchases
Content rating
Everyone
5K+
Downloads
Teacher Approved
Content rating
Everyone
Learn more
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About this game

Easy? Anyone can do that. Barkoku wants the BIGGEST puzzles – and the cleverest dogs!

Love Sudoku and tricky logic puzzles? Then Barkoku is your next challenge: find the dogs hidden on the board – using nothing but pure logic. Almost 19,000 puzzles from 5×5 to 15×15, plus a giant puzzle every day and a gigantic 50×50 every week!

🐶 THE THREE GOLDEN RULES
1. Rows & columns: Every row and every column contains exactly one dog.
2. Colored regions: Every colored region contains exactly one dog.
3. Keep your distance: Dogs never touch – not even diagonally.

🧩 HUGE PUZZLES EVERY DAY
• Daily Puzzle 25×25: A brand-new giant puzzle every day – with double puzzle pieces as a reward.
• Weekly Puzzle 50×50: The gigantic puzzle of the week, with a worldwide and regional leaderboard.
• Three difficulty levels: Easy, Medium and “Hard” – for true pros only.

🃏 NEW: TRADING CARDS FROM PUZZLE PIECES
Every dog you find earns you puzzle pieces. Use them to unlock puzzles in your Collection Album, put the pieces together – and win a shiny holo trading card with a 3D tilt effect! Brand new: the Christmas trading cards! Can you complete your album?

🎨 NEW: THREE DESIGNS
• Classic V2 – warm, elegant and clear
• Neon Night – glowing colors under an animated night sky
• Christmas Magic – snowfall, fairy lights and northern lights
Or choose “Automatic” and Barkoku switches its design to match the season.

🔍 THE INTELLIGENT MAGNIFIER
Stuck? The magnifier is more than a hint – it's your personal logic coach. It corrects mistakes, applies forced deductions and explains step by step why a cell has to be a dog or a cross – with highlighted cells right on the board.

🛠️ HANDY TOOLS
• Radar: Scan an area for hidden dogs.
• Bones: Restore lost lives.
• Undo & redo: Jump through your entire game history – even after restarting the app.

🔥 DAILY REWARDS & LEADERBOARDS
Play every day, build your streak and grab bonuses like magnifiers, radar or score boosts. Compete against players from all over the world on the Google Play Games leaderboards.

✨ WHY BARKOKU?
• Brain training: Boosts concentration, logic and spatial thinking.
• For every device: The board adapts perfectly to phones and tablets.
• Nothing gets lost: Your progress is saved automatically – even when you rotate your device or close the app.
• In 35 languages: Barkoku speaks your language – from English and German to Japanese, Arabic and Hindi.
• Free to play – optionally ad-free.

Can you find all the dogs? Download Barkoku now and prove you can do more than “easy”!
Find the dogs! Logic puzzles up to 50×50, daily puzzles & holo trading cards
Updated on
Nov 13, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, Personal info and 3 others
  • Data is encrypted in transit
  • You can request that data be deleted
  • Committed to follow the Play Families Policy

What’s new

25×25 daily puzzle with double puzzle pieces in all themes and languages, magnifier hints as a window with cell highlighting like in the intro, seasonal themes (Classic V2 as default, Christmas Magic in December, Neon Night for New Year's Eve, plus "Automatic" option). Fixes: more reliable purchase crediting, backup now saves progress and cards, daily reward exploit fixed, crashes in weekly puzzle and when switching boards resolved!