Killer Sudoku by Sudoku.com

Killer Sudoku by Sudoku.com
  • DeveloperEasybrain
  • GenrePuzzle
  • Installs10,000,000+
  • UpdatedNov 6, 2025
  • Version4.4.0
  • RequirementsAndroid
  • ReleasedNov 10, 2020
  • ContentEveryone
Open official listingAPK metadata only

Killer Sudoku by Sudoku.com screenshot 1Killer Sudoku by Sudoku.com screenshot 2Killer Sudoku by Sudoku.com screenshot 3Killer Sudoku by Sudoku.com screenshot 4Killer Sudoku by Sudoku.com screenshot 5Killer Sudoku by Sudoku.com screenshot 6

Killer Sudoku by Sudoku.com

Editorial review: Killer Sudoku by Sudoku.com APK and install guide

The install decision for Killer Sudoku by Sudoku.com starts with identity. A title, icon, and screenshots are helpful, but they are not enough unless the package name, developer, version, Android requirement, source status, and privacy path are visible. opskd keeps those APK checks exposed for this puzzle game: com.easybrain.killer.sudoku.free, Easybrain, version 4.4.0, Not published by official listing, and Check official listing before install.

The official short summary says: "Killer Sudoku is a classic number puzzle for daily brain and logic training!". opskd treats that as a claim to verify, not as a complete review, because store copy often emphasizes features while leaving permissions, account requirements, monetization, and source status for the user to check separately.

10,000,000+ installs indicates broad adoption, so comparison should focus on whether the current version still matches the reputation built by earlier releases. 4.5 out of 5 across 214,052 ratings is a strong popularity signal, but it should still be read beside update freshness, privacy posture, and the exact developer name. High ratings can indicate satisfaction, yet they do not prove that permissions, pricing, or account requirements fit your use case.

The listing has been updated within the past year, about 209 days ago. That is acceptable for many categories, but the official listing should still be checked for compatibility notes and recent user feedback.

Who this APK listing is for

Killer Sudoku by Sudoku.com is most relevant for players who want compact problem solving, brain training, relaxing challenges, or short sessions that still feel rewarding. A good fit means the app's stated purpose, screenshots, rating pattern, developer identity, and official source all support the same story. If you only need a quick category browse, compare it with nearby puzzle alternatives; if you are close to installing, slow down and check the APK identity rows first.

  • Best fit: players who want compact problem solving, brain training, relaxing challenges, or short sessions that still feel rewarding.
  • Review focus: puzzle variety, difficulty curve, hint economy, ad pacing, offline mode, and whether progression remains fair without purchases.
  • Current public signal: 10,000,000+ installs and 4.5 out of 5 rating data.

APK source and identity

This page exposes APK metadata for the listing but does not claim to host a standalone APK package. That distinction is intentional. Use the package name, version, file size field, Android requirement, and official listing link as comparison points when you verify the app outside opskd.

  • Package: com.easybrain.killer.sudoku.free.
  • Version shown: 4.4.0.
  • Source status: APK metadata only.
  • Integrity status: No standalone APK hash is published for this listing yet.

Listing quality signals

The useful signals for Killer Sudoku by Sudoku.com are not only the headline score. opskd reads the listing through category fit, developer transparency, version clarity, source status, screenshot availability, privacy policy access, and whether the official description makes specific claims that can be checked. For puzzle, the most important review focus is puzzle variety, difficulty curve, hint economy, ad pacing, offline mode, and whether progression remains fair without purchases.

  • Ads or ad-like wording appear in the listing, so review whether placement interrupts active tasks or gameplay.
  • Category fit matters here: for puzzle, the review focus is puzzle variety, difficulty curve, hint economy, ad pacing, offline mode, and whether progression remains fair without purchases.
  • Screenshots and developer links should support the claims made in the official description.

Trust checks before install

For puzzle games, permissions can matter as much as the feature list. check ad disclosure, in-app purchases, storage size, age rating, and whether the game needs a constant network connection. A privacy policy is especially important when the app handles documents, children's activity, learning progress, files, cloud sync, user accounts, location, chat, or social features. If a permission does not fit the app's purpose, treat that as a reason to slow down and verify the developer's explanation.

  • Developer website — Check ownership, support channels, and product documentation from Easybrain.
  • Privacy policy — Review what data may be collected, shared, or retained.
  • Official listing — Confirm the current version, rating, screenshots, and install availability.

Decision checklist

Use this checklist before acting on Killer Sudoku by Sudoku.com. It is designed for quick comparison across all APK listings on opskd, so every app keeps the same core fields visible while the surrounding review notes adapt to category, rating, update freshness, and source status.

  • Confirm that com.easybrain.killer.sudoku.free matches the official listing before trusting any install path.
  • Compare version 4.4.0, file size Not published by official listing, and Android requirement: Check official listing before install.
  • Review Easybrain's privacy policy and support links, especially if the app asks for accounts, files, location, camera, microphone, contacts, or cloud sync.
  • Treat 4.5 out of 5 and 10,000,000+ installs as discovery signals, not proof that the app is safe or right for your device.

Bottom line: Killer Sudoku by Sudoku.com is worth considering only if its package name, developer, source status, version, Android requirement, privacy policy, and permission profile all make sense for your use case. opskd keeps every APK listing exposed while adding this review layer so the page offers more than copied store text and gives you a clearer path before installing.

Official listing description

This is the official app listing description provided for reference. It does not mean opskd hosts a direct APK file for this app.

Killer Sudoku will let you enjoy an exciting experience! Jump into the new Sudoku gameplay, solve tons of new challenging number puzzles, and train your brain! Install Killer Sudoku now for free!

This free Killer Sudoku app comes from the developer of the world’s most downloaded classic Sudoku puzzle – Sudoku.com. So a stellar experience, extra game quality, and endless fun are guaranteed.

Whether you’re a fan of classic Sudoku or just looking for a number game or math puzzle for a great time and mental workout, free Killer Sudoku is here for you.

Although Killer Sudoku seems a bit harder than classic Sudoku, we made it accessible for players of all skill levels. This number puzzle game comes with several difficulty levels – easy, medium, hard, and expert Killer Sudoku. This way, Killer Sudoku puzzles are great for both beginners and advanced Sudoku solvers. We have no doubt you’ll become a Killer Sudoku master in no time!

What is Killer Sudoku

Killer Sudoku is a true legend among number games and puzzles. In a nutshell, it’s a perfect blend of those fave brain-twisters Sudoku and Kakuro. Absolutely free!

This number puzzle goes by many names: Sumdoku, Addoku, Cross Sum, etc., but the rules are equally simple across the board. Your goal is to fill the grid with numbers like in classic Sudoku while making sure the sum of numbers in the cages (areas separated by dotted lines) is equal to the number in the upper left corner of that cage. Still sounds complicated? Let’s review the Killer Sudoku rules in detail.

How to play Killer Sudoku

✓ Fill all rows, columns, and 3x3 blocks with numbers 1-9 exactly like in classic Sudoku
✓ Pay attention to the cages – groups of cells indicated by dotted lines.
✓ Make sure the sum of numbers in each cage is equal to the number in the upper left corner of the cage.
✓ The basic rule of Killer Sudoku is that the sum of all numbers in each 3x3 block, row, or column always equals 45.
✓ Numbers cannot repeat within cages, a single row, column, or 3x3 region.

Killer Sudoku features

✓ Complete free Killer Sudoku Daily Challenges to compete for awards
✓ Take part in Seasonal Killer Sudoku Events and win unique medals
✓ Challenge your logic figuring out where you went wrong, or enable Auto-Check to see your mistakes
✓ Add notes if you’re not sure which number to place. Enjoy the experience of the classic paper-and-pen puzzle games.
✓ Use hints when stuck on a really hard number puzzle. Don’t bother if you’re an experienced Killer Sudoku solver.

More Killer Sudoku features

- Statistics. Track your daily Killer Sudoku progress, best time, and other achievements
- Unlimited Undo. Made a mistake? No worries, undo it in one tap
- Color themes. Select classic Light, Dark, or Sepia themes to design your own Killer Sudoku kingdom!
- Auto-save. If you get distracted and quit your Killer Sudoku game unfinished, we’ll save it for you so you can continue anytime.
- Eraser. Erase any mistakes you made in a number puzzle.

Killer Sudoku is now available on the vast majority of phones and tablets. Install Killer Sudoku for free, train your brain, and have fun along the way!

Terms of Use:
https://easybrain.com/terms

Privacy Policy:
https://easybrain.com/privacy
Application popularity
91%
  • 214,052 ratings
  • 10,403 reviews

APK details

Killer Sudoku by Sudoku.com APK identity, source status, and install checks.

Open official listing
  • Package namecom.easybrain.killer.sudoku.free
  • Version4.4.0
  • File sizeNot published by official listing
  • Android requirementCheck official listing before install
  • APK sourceOfficial Google Play listing only
  • Integrity checkNo standalone APK hash is published for this listing yet
  • Safety noteInstall only after checking the official listing and requested permissions.
APK source checkopskd does not host a direct APK for this listing yet. We show the package name, version, file size, Android requirement, and official listing so you can verify the app before leaving the page.

App Information

  • DeveloperEasybrain
  • CategoryPuzzle
  • Version4.4.0
  • Installs10,000,000+
  • UpdatedNov 6, 2025
  • ReleasedNov 10, 2020
  • Content ratingEveryone
  • Android versionAndroid
  • SizeUnknown

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