Although all the puzzles come on this side of me, this is by no means for all puzzle formats. For those who are interested in the source of the puzzle formats here is a list. Since there is little information about the sources of puzzle formats, this list can not be completely accurate. It is just as good as I know. Please feel free to correct me where I'm wrong.
I know this format by the page of Inaba Naoki.
I know this format by the page of Inaba Naoki.
I know this format by the page of Inaba Naoki.
This is a puzzle format that I found in the internet. I can't remember where.
I saw this puzzle format in Djape's forum. The forum does not longer exist.
This is a very old sudoku variant. I know it from the Yahoogroup Sudoku World.
This is a standard puzzle format.
This is my own invention in 2009. Because it is a natural combination of Minesweeper and As Easy As ABC I'm not sure that I was the first who invented it.
This is my own invention in 2006. Because it is a natural combination of Sudoku and As Easy As ABC I'm not sure that I was the first who invented it.
This puzzle format is an invention of Thomas Snyder.
This killer variant was invented by Jiří Hrdina in 2009.
This is a japanese puzzle format.
This is a natural combination of Fillomino and Bossa Nova.
This is an old puzzle variant. I know it from the Yahoogroup Sudoku World.
I saw a puzzle of this format made by Hasan Yurtoglu in the puzzle set of the 10th 24 Hours Puzzle Championship 2009.
Years ago I found this puzzle format in the internet. But I can't remember where.
Years ago I found this puzzle format in the internet. But I can't remember where.
This puzzle format I found at otuzoyun.com
I found this puzzle format in the internet.
Years ago I found this puzzle format in the internet. But I can't remember where.
This is a puzzle format I found at the page of Inaba Naoki.
This is a standard sudoku variant.
I know this puzzle format by the page of Inaba Naoki.
This sudoku variant was invented by Henry Kwok in 2006.
This puzzle format was invented by Steve Schaefer. I use a graphical format found by Udosuk.
I'm not sure that I'm right. But I remember that I saw the grid in another context somewhere and combined it with sudoku rules.
Daisho Killer is a dissection killer variant that I invented 2007, combining Daisho with my dissection killer idea.
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I know this puzzle format by some puzzles of Alexandru Szöke. ([1] [2] [3] [4] [5])
This puzzle format is my own invention.
This variant was invented by Henry Kwok in 2006.
This variant was invented by Henry Kwok in 2006.
This is a standard sudoku variant.
This is a standard sudoku variant.
Thi is a standard puzzle format.
This is a standard puzzle format.
This is a natural combination of Fillomino and Skyscraper.
This is a puzzle format I found at the page of Inaba Naoki.
This is a natural variation of Frame Sudoku.
This is a standard variant of sudoku. I know it from the puzzle set of the 1st World Sudoku Championship.
Futoshiki is a standard puzzle format.
This is a natural hexagonal variant of Greater Than Sudoku.
This is a standard sudoku variant.
This is a puzzle format that was invented by Ruud van der Werf.
I found this puzzle format in a puzzle by Andrei Bogdanov made for the 3rd round of the 2005 IPST (Internet puzzle solvers test).
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This is a standard puzzle format.
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I found this puzzle format in the puzzle set by Csizmazia Tamás for the 7th 24 Hours Puzzle Championship 2006 in Budapest.
This sudoku variant was invented by neskopolydis.
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This is a standard killer variant, a combination of Jigsaw Sudoku and Killer.
This is a standard puzzle format.
This is a standard puzzle format.
This puzzle format was invented by Miyuki Misawa.
This killer variant was invented by Hatman. KiMo stand for Killer Modulo.
This killer variant is my own invention using the idea of KiMo and making it modulo 2.
This is a puzzle format invented in Bulgaria.
This is a natural combination of Kropki and Hanidoku.
This is the natural combination of Kropki and Kakuro.
This is my own combination of Kropki and Triangular Sudoku.
I saw this puzzle format in the puzzle set of the Czech Sudoku Championship 2007. Krychle is the czech word for cube.
I found the Last Number puzzle format at the page of Inaba Naoki.
Last Number Sudoku is a simple combination of Last Number and Sudoku.
Lettered Rokudoku (aka Lettered Sudoku) was invented by Cihan Altay at PQRST 15.
This is a standard puzzle format. You can for example find puzzles of this format by
Inaba Naoki, Cihan Altay or Erich Friedmann.
This is my own invention using a well-know game board that is used in many traditional games in different countries.
Magic Square is one of the oldest puzzle formats.
The Magic Sudoku was invented by Alexandre Owen Muniz. I found a puzzle of this format in the collection of Ed Pegg Jr..
This puzzle format is an invention of Thomas Snyder.
This puzzle format was intented in the puzzle set of PQRST 14.
Navigator is the natural Magic Square reduction of Navigator Sudoku.
This puzzle format was invented by Creative Games.
I found this puzzle format in the set of the World Sudoku Championships 2007.
This is a natural hexagonal variant of Non-Consecutive Sudoku that I invented.
This is a well-know special case of Consecutive Sudoku.
I know this variant of As Easy As ABC by two puzzles of Alexandru Szöke: [1] [2]
This is a own combination of battleships, odd sudoku and killer.
This is a standard sudoku variant.
The first sudokus published in Dell Pencil Puzzles & Word Games (1979) were exemples of this sudoku variant. I found this puzzle format in the puzzle set of Ed Pegg Jr.
This is a puzzle format I found at the page of Inaba Naoki.
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Pair Pair Box Number Place was invented by Miyuki Misawa. Some of his puzzles of this format: [1]
[2] [3] [4]
The Pandigital Sudoku was invented by Ed Pegg Jr.. I've modified this variant by adding pandigital inequalities.
This sudoku variant I've invented in 2009. It's a child of Arrow Sudoku.
This is a puzzle format I found at the page of Inaba Naoki.
This puzzle format I saw in a sudoku paper.
I invented this natural combination of Pseudoku and Killer.
This classical sudoku variant I saw in the puzzle set of the 1st World Sudoku Championship.
This variant was invented in the Oğuz Atay Puzzle Contest 5 in 2009.
This is a standard puzzle format. I don't know the history.
This puzzle format I saw on the page of Inaba Naoki.
In 2007 I invented the Retro Killer. It was the first dissection killer variant. Later dissection killer variants were Daisho Killer (2007), Blind Killer (2009), Psycho Killer (2009), Naked Killer (2009).
This puzzle format I found at a page of Bruce Oberg.
This is a standard puzzle format.
That is a natural combination of Skyscraper and Hanidoku.
This is an old Skyscraper variant. I oldest puzzle of this format I know was made by Tim Peeters.
I can't remember whether I combines the circular grid with the spiral pattern or whether I found a puzzle of this format anywhere in the internet.
This is a standard puzzle format.
This is my own invention of a combination of sudoku like rules with a known puzzle grid.
This is a very old sudoku variant. I know it from the Yahoogroup Sudoku World.
I found this puzzle format in the puzzle set of Ed Pegg Jr. It was one of the puzzle formats of the 1st World Sudoku Championship.
This is the natural hexagonal variant of Sudoku.
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So far as I know I've invented Sudoku with Magic Squares including the variant with an hidden magic square. (But see Magic Sudoku),
This is a standard sudoku variant.
This is a standard sudoku variant. The name was invented in the 1st World Sudoku Championship.
This puzzle format I found as part in a sudoku combination of Cihan Altay in the puzzle set of the 1st Sudoku World Championship.
Sum Line Sudoku is a sudoku variant that I invented 2007.
Sum Search Sudoku was my invention, but you can consider it also as subvariant of the older Killer <=>.
This puzzle format is an invention of Thomas Snyder.
This puzzle format I found in a puzzle combination by Zoltán Horváth at the 10 th 24 Hours Puzzle Contest 2009.
This variant is my own invention. It is an attempt to make an one-dimensional sudoku variant.
I found this puzzle format in the internet.
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This puzzle format is an own invention of 2006.
This puzzle format I saw on the page of Inaba Naoki.
This my own combination of sudoku and a triangular grid used in a chess variant.
This is a puzzle format that I invented using a chess variant board.
I saw this puzzle format first in the puzzle set of Bogdanov and Khanmagomedov for the 10th 24 Hour Puzzle Contest 2009 in Budapest.
This sudoku variant was invented by Henry Kwok in 2007.
I have invented this combination of Twin Corresponding Sudoku and Zero Killer.
I found this puzzle format at the page of Inaba Naoki.
I know this puzzle format by the page of Inaba Naoki
Vudoku is a subvariant of Sum Line Sudoku. The name was invented in a Turkish Online Championship 2009.
I know this puzzle format by a puzzle of Laszlo G. Nagy.
The Wrong Killer format was invented by Jan Novotný in 2009.
This is a puzzle format I found at the page of Inaba Naoki.
The only difference between Zero Killer and Killer is, that in a Zero Killer not all cells are part of a cage. This is a standard killer variant.
This variant was invented by somebody in the former forum of sudoku.com. The forum is not longer available, so I can't say who the inventor was.
This puzzle format is an own invention of 2006.
I found this puzzle format in the puzzle set of the Japan Number Place Championship 2007.
This is a magnification of 4x4x4 Sudoku. There exist also a 3x3x3 variant by perplexus.info.