Killer Sudoku! Cheats

Killer Sudoku! Hack 4.1 + Redeem Codes

Logic puzzles for your brain

Developer: Sarah Pierce
Category: Games
Price: Free
Version: 4.1
ID: com.megafaunasoft.sudokukiller

Screenshots

Game screenshot Killer Sudoku! mod apkGame screenshot Killer Sudoku! apkGame screenshot Killer Sudoku! hack

Description

Even better than killer sudoku on paper!

Killer sudoku is a popular variation on classic sudoku puzzles. To complete a puzzle you must fill the board with numbers that obey traditional sudoku rules AND make each outlined region sum to a specific value. The grid begins blank, but these rules give you all the information you need to solve the puzzle!

Solving a killer sudoku puzzle requires a lot of notes, so we worked hard to make the note entry features in this app perfect. A dedicated note keypad and the ability to select multiple squares makes entering notes fast. You can even make combination lists that float above the puzzle and can be rearranged on the screen! Cross out combinations from your lists as you rule them out.

Our interface is so good, you may prefer it to doing puzzles on paper.

Features:
- Dual keypads -- no tedious toggling between note and answer mode
- Multi-square note entry -- a huge timesaver
- Handy combination lists -- can be rearranged on the screen for easy comparison
- Quick sum button -- add all selected sum labels instantly
- Quick combination list button -- list all combinations fast by dragging over the desired region
- Built-in mini calculator -- do even long sums easily
- Undo & redo buttons -- step back through your changes to fix a mistake
- Mistake highlighting option -- don't let mistyped entries from set you back
- Auto note option -- automatically remove trivially eliminated notes when you enter an answer
- Two color schemes -- a neutral newspaper color scheme and a rainbow color scheme
- Puzzle gallery -- scroll through puzzles and see your progress instantly
- Comes with 10 free puzzles for testing, and over 3,000 puzzles available for purchase

We made this app free so that you can test it without having to buy anything. It comes with ten free killer sudoku puzzles--two puzzles in each of the five levels. There are also more than three thousand puzzles available to purchase, but the ten free puzzles might just keep you busy for a long time :)

All our killer sudoku puzzles have a unique solution.

Version history

4.1
2020-06-20
- Landscape is back on iPad!
- Bug fix for "Puzzle complete" problem

Thank you to everyone who emailed with bug reports and feedback about the recent update. Your emails help me get things fixed faster! Please let me know if you have any issues with the latest version. Best, Sarah
4.0
2020-06-18
What's new:
- Updates to meet new App Store requirements
- Improved support for all screen sizes
- Bug fixes

Thanks so much to everyone who has sent me feedback! Your comments are so, so helpful, and I really appreciate when people take the time to send in bug reports and other ideas. If you notice any new issues please let me know. I hope you enjoy the update! -Sarah
3.6
2016-02-04
Bug fixes for auto note.

New in the last version, in case you missed it:
- Cross out combinations from a combination list: just tap to cross out, and tap again to undo
- New auto note feature: automatically removes eliminated notes when you enter an answer
- No timer option: hides the timer and removes your finish times from the puzzle list
- Bonus #160 no longer crashes. Thanks to the users who emailed about this!

I am really excited about the new features in this version! In particular, crossing off combinations from a list is extremely handy. I find the auto note feature a bit TOO useful sometimes, but for the harder puzzles it's a great way to remove some of the busywork so you can focus on the more complicated strategy. The new auto note and timer options can be found by pressing the button with a light bulb on it.

I hope you guys enjoy the update, and thanks again to everyone who sent feedback! Happy Puzzling --Sarah
3.5
2016-02-01
- Cross out combinations from a combination list: just tap to cross out, and tap again to undo
- New auto note feature: automatically removes eliminated notes when you enter an answer
- No timer option: hides the timer and removes your finish times from the puzzle list
- Bonus #160 no longer crashes. Thanks to the users who emailed about this!

I am really excited about the new features in this version! In particular, crossing off combinations from a list is extremely handy. I find the auto note feature a bit TOO useful sometimes, but for the harder puzzles it's a great way to remove some of the busywork so you can focus on the more complicated strategy. The new auto note and timer options can be found by pressing the button with a light bulb on it.

I hope you guys enjoy the update, and thanks again to everyone who sent feedback! Happy Puzzling --Sarah
3.4
2015-06-25
- Two new megapacks! That's over 1600 new puzzles!
- Bigger keypads on long format iPhones (5, 6, and 6+)

Thanks so much to everyone who emailed with feedback and left reviews. I am thrilled that people like the app enough to have played through ALL the puzzles and need more. Happy sudokuing :) -- Sarah
3.3
2013-10-28
Bug fixes

Here is what was new in the last major update in case you missed it:
- NEW PUZZLES! A second Megapack is now available with 815 all new puzzles!
- Landscape support for all iPads (wasn't working on iOS6+ previously)
- Retina graphics for the iPad
3.2
2013-10-22
This update fixes some bugs reported by users in the last update. Thanks to everyone who emailed with bug reports!

Here is what was new in the last major update in case you missed it:
- NEW PUZZLES! A second Megapack is now available with 815 all new puzzles!
- Landscape support for all iPads (wasn't working on iOS6+ previously)
- Retina graphics for the iPad
3.1
2013-10-15
This update is a bug fix for the missing Megapack 2 puzzles in our previous update. We are extremely sorry about this bug! Thanks so much to everyone who emailed us to help us figure out the problem.

Here is what was new in the previous update in case you missed it:
- NEW PUZZLES! A second Megapack is now available with 815 all new puzzles!
- Landscape support for all iPads (wasn't working on iOS6+ previously)
- Retina graphics for the iPad
3.0
2013-10-10
- NEW PUZZLES! A second Megapack is now available with 815 all new puzzles!
- Landscape support for all iPads (wasn't working on iOS6+ previously)
- Retina graphics for the iPad
- Many bug fixes. Thanks to all the users who emailed with bug reports! Issues with the combo button causing crashes, the timer failing to pause, and puzzle packs stuck on "Coming soon" should be fixed.
- Support dropped for iOS 4.3 and below
2.5
2011-10-11
- Now with rainbow mode! Click the lightbulb button and then "Rainbow" to toggle rainbow mode on and off.
- Clear selected squares -- click the erase button to see this option.
- Puzzles can be reset by clicking the erase button in a completed puzzle.
- Bug fixes
2.4
2011-09-15
- Landscape support for iPad
- Replay puzzle option for paid puzzles: hit the erase button to reset the puzzle
- Fixed the reversed keypad labeling in the help section. Thanks to the user who pointed this out!
2.3
2011-08-25
- Sharper graphics on the iPad
- Impossible #185 is no longer ironically named :) Thanks to the commenter who pointed this out!
- Grid lines are now more distinct. Thanks to all the users who suggested this change!
- Bug fixes
2.2
2011-07-29
- iPad version now available! Updating from an iPad will automatically install the iPad version. Graphics will be more crisp with the iPad version than they were on the iPad using the 2x button.
- Having a tip window open pauses the timer so that reading the tips won't inflate your solve time.
- Hints are now limited to three per game.
- Bug fix for a problem that caused crashes for those running an earlier version of iOS than 4.0.
2.1
2011-07-01
Bug fix for the Extra hard puzzle level. Users who don't plan on playing the Extra hard level can skip this update.
2.0
2011-06-17
What's New:
- More puzzles and more levels!
800 puzzles in five different levels available for download.
- Mistake highlighting and hints
Mistakes will be highlighted in red. Use the hint button (lightbulb icon) to bring up the menu where mistake highlighting can be toggled on and off. If you are really stuck, you can also get a hint by pressing the hint button (lightbulb icon), and then pressing the "hint" button.
- Tips to help you learn to play
New users will see tips for their first few puzzles to help them get the hang of the puzzle playing interface. If you have already played several puzzles, you won't see these hints by default, but you can access them by hitting the hint button (lightbulb icon), and then pressing the "show tips" button.
- Redo button
In addition to an undo button, the erase menu now has a redo button. (In case you need to undo your undo!)
1.0
2011-05-26

Cheat Codes for In-App Purchases

Item Price iPhone/iPad Android
Mega puzzle pack
(All 16 puzzle packs in one, plus our 15 hardest puzzles as a bonus. These 15 puzzles are not available in any other pack! 815 puzzles total.)
$4.99
Free
CH897315291✱✱✱✱✱ B057C04✱✱✱✱✱
Mega puzzle pack 2
(815 puzzles that are only available in this pack! 160 puzzles per level, plus 15 of our hardest puzzles as a bonus.)
$4.99
Free
CH118017993✱✱✱✱✱ 91B3A06✱✱✱✱✱
Mega puzzle pack 3
(815 new puzzles that are only available in this pack! 160 puzzles per level, plus 15 of our hardest puzzles as a bonus.)
$4.99
Free
CH434759709✱✱✱✱✱ 69B6E61✱✱✱✱✱
Mega puzzle pack 4
(815 new puzzles that are only available in this pack! 160 puzzles per level, plus 15 of our hardest puzzles as a bonus.)
$4.99
Free
CH657337188✱✱✱✱✱ 9E2C544✱✱✱✱✱
Easy puzzle pack #1
(50 new easy killer sudoku puzzles!)
$0.99
Free
CH491655401✱✱✱✱✱ 330AB51✱✱✱✱✱
Impossible puzzle pack #1
(50 new impossible killer sudoku puzzles!)
$0.99
Free
CH544175213✱✱✱✱✱ 7606C7A✱✱✱✱✱
Medium puzzle pack #1
(50 new medium killer sudoku puzzles!)
$0.99
Free
CH777350136✱✱✱✱✱ 0592BEE✱✱✱✱✱
Hard puzzle pack #1
(50 new hard killer sudoku puzzles!)
$0.99
Free
CH353355073✱✱✱✱✱ 25034D2✱✱✱✱✱
Impossible puzzle pack #2
(50 new impossible killer sudoku puzzles!)
$0.99
Free
CH860113969✱✱✱✱✱ 533FC9C✱✱✱✱✱
Extra hard puzzle pack #1
(50 new extra hard killer sudoku puzzles!)
$0.99
Free
CH676912549✱✱✱✱✱ F3EB360✱✱✱✱✱

Ways to hack Killer Sudoku!

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Ratings

4.8 out of 5
1 695 Ratings

Reviews

lsjcm,
Still Enjoying It -- Fantastic Support!
This is an update to my earlier review. In my experience this is he best killer sudoku app for iOS. Is still love it if the app would generate puzzles, but other than that it’s ideal.

The double keyboard and drag-select make entry very quick. I'd like it better if it would generate puzzles. They've added color-coding the groups since my last review, and that helps a lot --thanks!

The support is very good as well. An earlier update broke the "9" button on the iPad. I sent an error report by email, and within a day (over a weekend!) I received a very polite response and the information that the fix for the problem had already been submitted to Apple. This is a top-notch product and I don't hesitate to recommend it to anyone looking for a good implementation of killer sudoku puzzles. The update was available soon after, and fixed the problem.
Vyrodok,
Great app
I’ve been playing killer sudoku for years and this is by far the best app I’ve seen for it. The only suggestions I have are:
1) to have a setting that allows for multiple uses of a single number in the notes. I realize this could be tricky from a programming standpoint and could make note-taking too complicated.
2) allow for spaces in the notes to separate what you know has to go in a group of cells from what could go there.
3) have a feature where if you hold down the number with no cells selected, it highlights the cells that contain that number as an entry or as a note, so you can quickly see where the sudoku rules force certain entries or elimination of certain notes.
Edge0fSanity,
Decent graphically, but needs tweaking
First, of the Killer Sodoku's I've found in the App Store, this one seems to be the best. However, its interface needs work.

I compare this to the ease of the app Sudoku Joy (which unfortunately lacks a 'killer' play style), where instead of two numeric pads, there is one, with a button on the side to switch between pencil and pen. Also, having to select each square and pencil mark repeatedly is tedious; locking in the number you're working with and then tapping on the squares to quickly add or remove marks would be ideal and much, much faster.

The possibilities calculator is a fantastic tool. I don't understand the 'notes' section; further explanation (or even examples) would be ideal. Finally, when hitting for a [HINT], instead of just filling in a box, explaining why, or what we could look for would be best - again, an option Sudoku Joy does SO well, teaching as we go.
Scraps99,
Well done, but keep improving!
I love Killer Sudoku and this app is designed so well; I almost do prefer it to working a paper puzzle. It does crash on occasion when I select the combination/list icon; when it does crash like that the only way to get back to the puzzle is "new puzzle ---> in progress" (the resume button won't work). Occasionally I will lose recent changes in a crash like that.

I would love the option to cross off impossible combinations in the lists. I would also like to organize the combinations I pencil into the puzzle squares (for example, show that the 3 box combo summing 22 HAS to have a 9, but then 5-8 or 6-7 are the possible remaining options.)

Great app, though. Tons of puzzles for the money, no annoying ads or requests for in-app purchases....excellent buy.

Update--5 years later, this is still my go-to puzzle app. My favorite one. You can now cross off impossible combos in the lists, and the ease of summing multiple boxes is a really great add. And still, I love how many puzzles there are, still with no ads for my original purchase. Thanks!
mashkaNY,
Another glitch after update
Also after new update, besides the usual pleasant colorways and font turning to completely black and white, even the suggested combinations pop ups, everything is difficult to see and VERY rough on the eyes. Now I’m also noticing when I exit a puzzle midway, leaving combination pop ups open, I open a different puzzle, even on a different level, and this fully clear new puzzle opens with the overlay of combination popups from the previous puzzle. It was doing this with “puzzle completed” as well, but I’m not seeing it as much now. You had to reload the app each time to make the overlays from previous puzzle go away.

I really hope you will bring back the pleasant color and font layout from before that you had for years. It was perfect (and addicting).
Jltx15,
Sarah Pierce is a genius
This is the best killer sudoku implementation on the App Store. The UI is great and gives you the right tools in an easy way to focus on solving puzzles. Great stuff. And somehow she managed to write this software so clean it has survived three years of SDK updates and new resolutions and aspect ratios. Impressive!

One request: allow two colors of notes. I normally show only complete sets, but on trickier puzzles like “impossible” I like to note possible choices and sometimes I forget which type of note I made.

I like the impossible and bonus puzzles the most. I’m not the best as it takes me an hour or more, but keeps me entertained. Thanks, Sarah!
AyleaP,
Addicted to this game, plus amazing customer service
I have been playing, and addicted to this app for years. The controls, tools, and interface are wonderful. You have everything you need to solve all levels of puzzles right there. I can’t say enough about it. I’d give it 10 stars if I could!

The latest update was missing the ability to play in landscape mode, so I emailed the developer, Sarah Pierce. I got a personal response the next day, and the issue was fixed the very next day!! THAT is amazing customer service!!

If you’re an experienced sudoku fan, try Killer. You won’t regret it! THANK YOU Megafauna and Sarah Pierce!
Leelokje,
Its simplicity is what makes this work!
When it comes to certain things such as word or number puzzles, I am such a paper and pencil type of person, a PPP for short!
I didn’t think I could get used to using an app for Killer Sudoku but one day I decided to see if there was even one available. That’s when I found SudokuKiller. Not a game killer, mind you!
Within minutes I got familiar with its interface and was busy solving my first puzzle.
The rest is history. I have zero complaints and every evening and morning I look forward to doing a new puzzle without the big mess I used to make on paper!
Ridgescores,
Best Killer Sudoku App - Period
I have played hundreds of puzzles on this app, and can’t find any faults in it. With many different levels, clean and clear design, plus the ability to drag across many squares for multi-select to either add / remove multiple numbers at once, or to sum certain combinations together… this app has everything you need and want for killer sudoku.

Plus having the options to turn on / off hints, color patterns, error checking and auto filling / removing numbers; I recommend this app to everybody!
Splamy91,
Great app but has issues
I love this app, it has so much useful functionality like the calculator and possibilities calculator. I like that you can add numbers to multiple squares at once.

One thing I would like is the option to have it automatically put notes in order so I can keep track easier.

The problem came when I tried to buy one of the multipacks of games they have but it took my money and had some kind of glitch that didn't give me access to my new games. I contacted them in multiple emails and they have responded, unfortunately they don't know what the problem is. So be careful when buying extra games!