Red Hot Sudoku #1

Red Hot Sudoku  on the Kindle is just the regular Sudoku game we all know and love.

I really like the way they’ve done the graphics. The grids are large and easy to see. You can also “pencil” in possible numbers in a square before you make your decision.

If you aren’t familiar with how Sudoku works, here’s the basics:

Start with a 9×9 grid that has 9 3×3 grids built into it. There are some numbers already added in to get you started. They can be helpful, or annoying depending on how well you fit your numbers in.

You will need to fill every column and row of the 9×9 grid with 1-9, all numbers used once.

Make sure you fill each 3×3 grid with 1-9, all used just once.

I found myself having to move some numbers around after I got through the grid. The grids are a good challenge, but also good for beginners.

There are 33 puzzles to choose from. You can have the game randomly pick a puzzle for you, or choose one yourself. There are also bonus puzzles.

If you don’t have numbers on your Kindle keyboard, you can use the letter equivalents: QWERTYUIO instead of 1-9. I think the only people who will have to use this are Kindle 1 owners. I have a Kindle 2, and there are numbers on my keyboard.

From the main menu, you can change your settings to reflect the numbers or letters, depending on what keyboard you have.

The 5-way toggle button is the main tool to use. You can use it to annotate and insert the numbers. I like the font they use for the numbers. It makes them look more like they’re handwritten.

There are a couple of alternative choices for you if you want to try other Sudoku like games in addition to Red Hot Sudoku.  I encourage you to try EA’s version, and Futoshiki. Futoshiki is awesome, and adds a new twist with < and > symbols.

The one review available is by a professional puzzle maker.  The reviewer provides good insight on what can be done to make the puzzles trickier.   The interface is great.  I hope more reviewers will post because I’m curious to know what they think about this one compared to the other Sudoku Kindle games out there.  It is also good to get perspectives from players of all skill levels.


Futoshiki sets the example of what every Kindle game and application should strive for.  It is fun, challenging, and includes great graphics and has intuitive navigation.

It is Sudoku with an added twist.  For those of you who are familiar with the basics of Sudoku, it is a set of 3×3 grids within a larger 9×9 one.  The goal is to insert numbers from 1-9 in all of the squares with a different number for each cell.  Both Sudoku and Futoshiki start out with a few numbers already filled in.

As one who is definitely not a math person, I was a little intimidated by the < and > signs that are added into the 5×5 and 7×7 grids at first, but they’re actually there to help you.


“I’m not a huge fan of standard Sudoku — I like it, but find it somewhat difficult, repetitive, and kind of boring. Futoshiki is a whole lot better and I absolutely love it. While the < > signs on the board may appear as additional requirements/restrictions at first, they in fact act as clues and make the game a bit easier (less trials and errors) and more interesting than Sudoku, at least to me. That opens a whole new way of thinking that I find most satisfying.”

After I got going, with Futoshiki, I actually got to like it a lot, and do intend to play more often when I get spare time.  I think it is fun to play around with the numbers until you can get them situated right.

I took advantage of the instruction manual, and got the basics of the game.  But, I really got the gist of it when I dove in and tried a few puzzles on my own.  Use the manual to learn how to access hints and keyboard shortcuts.  While you are in the game, be careful with how many hints you use.  If you have some left over, you can get bonus points.


“This game is similar to Sudoku, but quicker. It’s fun & easy to pick up while traveling. I highly recommend it if you want something fun to do while waiting or in between reading. Worth the price! ”

One quick note about the navigation.  Be sure you make the distinctions between the annotation button and the actual number.  You can annotate each square to help figure out what number would be the best fit, but the process is somewhat difficult if you aren’t careful.

Braintonik has done a great job with Futoshiki.  Great graphics and high marks by reviewers.  You can’t get much better than that!  Good for players of all skill levels.