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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.
ABC Box
I know this format by the page of Inaba Naoki.
ABCD Knot
I know this format by the page of Inaba Naoki.
ABCD Order
I know this format by the page of Inaba Naoki.
Addoku
This is a puzzle format that I found in the internet. I can't remember where.
Algebraic Sudoku
I saw this puzzle format in Djape's forum. The forum does not longer exist.
Arrow Sudoku
This is a very old sudoku variant. I know it from the Yahoogroup Sudoku World.
As Easy As ABC
This is a standard puzzle format.
As Easy As Minesweeper
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.
As Easy As Sudoku
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.
Battleships Sudoku
This puzzle format is an invention of Thomas Snyder.
Blind Killer
This killer variant was invented by Jiří Hrdina in 2009.
Bossa Nova
This is a japanese puzzle format.
Bossomino
This is a natural combination of Fillomino and Bossa Nova.
Brick Sudoku
This is an old puzzle variant. I know it from the Yahoogroup Sudoku World.
Checksum
I saw a puzzle of this format made by Hasan Yurtoglu in the puzzle set of the 10th 24 Hours Puzzle Championship 2009.
Circular Box Sudoku
Years ago I found this puzzle format in the internet. But I can't remember where.
Circular Diagonal Sudoku
Years ago I found this puzzle format in the internet. But I can't remember where.
Circular Minefield
This puzzle format I found at otuzoyun.com
Circular Sudoku
I found this puzzle format in the internet.
Clock Sudoku
Years ago I found this puzzle format in the internet. But I can't remember where.
Colorful Borders
This is a puzzle format I found at the page of Inaba Naoki.
Consecutive Sudoku
This is a standard sudoku variant.
Corner Fences
I know this puzzle format by the page of Inaba Naoki.
Corner Squad Sudoku
This sudoku variant was invented by Henry Kwok in 2006.
Cube Sudoku
This puzzle format was invented by Steve Schaefer. I use a graphical format found by Udosuk.
Cubic Sudoku
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
Daisho Killer is a dissection killer variant that I invented 2007, combining Daisho with my dissection killer idea.
Diary Sudoku
???
Disallowed As Easy As ABCD
I know this puzzle format by some puzzles of Alexandru Szöke. ([1] [2] [3] [4] [5])
Double Ring Sudoku
This puzzle format is my own invention.
Duplex Plex Sudoku
This variant was invented by Henry Kwok in 2006.
Duplex Sums Sudoku
This variant was invented by Henry Kwok in 2006.
Even Sudoku
This is a standard sudoku variant.
Even Odd Sudoku
This is a standard sudoku variant.
Fences
Thi is a standard puzzle format.
Fillomino
This is a standard puzzle format.
Fillomino Skyscraper
This is a natural combination of Fillomino and Skyscraper.
Fish Tanks
This is a puzzle format I found at the page of Inaba Naoki.
Frame Product Sudoku
This is a natural variation of Frame Sudoku.
Frame Sudoku
This is a standard variant of sudoku. I know it from the puzzle set of the 1st World Sudoku Championship.
Futoshiki
Futoshiki is a standard puzzle format.
Greater Less Hexagon
This is a natural hexagonal variant of Greater Than Sudoku.
Greater Than Sudoku
This is a standard sudoku variant.
Hanidoku
This is a puzzle format that was invented by Ruud van der Werf.
Hexagon Killer
I found this puzzle format in a puzzle by Andrei Bogdanov made for the 3rd round of the 2005 IPST (Internet puzzle solvers test).
Hexdoku
???
Hitori
This is a standard puzzle format.
Honeycomb Flower
???
Honeycomb Puzzle
???
Honey Puzzle
I found this puzzle format in the puzzle set by Csizmazia Tamás for the 7th 24 Hours Puzzle Championship 2006 in Budapest.
Horsudoku
This sudoku variant was invented by neskopolydis.
Intersection Killer
???
Intersection Product Sudoku
???
Jigsaw Killer
This is a standard killer variant, a combination of Jigsaw Sudoku and Killer.
Kakuro
This is a standard puzzle format.
Killer
This is a standard puzzle format.
Killer <=>
This puzzle format was invented by Miyuki Misawa.
KiMo
This killer variant was invented by Hatman. KiMo stand for Killer Modulo.
KiMo 2 (Even Odd Killer)
This killer variant is my own invention using the idea of KiMo and making it modulo 2.
Kropki
This is a puzzle format invented in Bulgaria.
Kropki Hanidoku
This is a natural combination of Kropki and Hanidoku.
Kropki Kakuro
This is the natural combination of Kropki and Kakuro.
Kropki Triangle
This is my own combination of Kropki and Triangular Sudoku.
Krychle Sudoku
I saw this puzzle format in the puzzle set of the Czech Sudoku Championship 2007. Krychle is the czech word for cube.
Last Number
I found the Last Number puzzle format at the page of Inaba Naoki.
Last Number Sudoku
Last Number Sudoku is a simple combination of Last Number and Sudoku.
Lettered Rokudoku
Lettered Rokudoku (aka Lettered Sudoku) was invented by Cihan Altay at PQRST 15.
Liar Neighbours (Light Bulbs)
This is a standard puzzle format. You can for example find puzzles of this format by
Inaba Naoki, Cihan Altay or Erich Friedmann.
Magic Alquerque
This is my own invention using a well-know game board that is used in many traditional games in different countries.
Magic Square
Magic Square is one of the oldest puzzle formats.
Magic Sudoku
The Magic Sudoku was invented by Alexandre Owen Muniz. I found a puzzle of this format in the collection of Ed Pegg Jr..
Minifleet Sudoku
This puzzle format is an invention of Thomas Snyder.
Multiplication Table
This puzzle format was intented in the puzzle set of PQRST 14.
Navigator
Navigator is the natural Magic Square reduction of Navigator Sudoku.
Navigator Sudoku
This puzzle format was invented by Creative Games.
Neighbouring Sudoku
I found this puzzle format in the set of the World Sudoku Championships 2007.
Non-consecutive Hexagon
This is a natural hexagonal variant of Non-Consecutive Sudoku that I invented.
Non-consecutive Sudoku
This is a well-know special case of Consecutive Sudoku.
Not As Easy As ABC
I know this variant of As Easy As ABC by two puzzles of Alexandru Szöke: [1] [2]
Odd Battleship Killer
This is a own combination of battleships, odd sudoku and killer.
Odd Sudoku
This is a standard sudoku variant.
Old 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.
One or All
This is a puzzle format I found at the page of Inaba Naoki.
Overkiller
???
Pair Pair Box Number Place
Pair Pair Box Number Place was invented by Miyuki Misawa. Some of his puzzles of this format: [1]
[2] [3] [4]
Pandigital Sudoku
The Pandigital Sudoku was invented by Ed Pegg Jr.. I've modified this variant by adding pandigital inequalities.
Pandigital Sum or Product Arrow Sudoku
This sudoku variant I've invented in 2009. It's a child of Arrow Sudoku.
Pastel Garden
This is a puzzle format I found at the page of Inaba Naoki.
Pentagram Sudoku
This puzzle format I saw in a sudoku paper.
Pseudokiller
I invented this natural combination of Pseudoku and Killer.
Product Sudoku
This classical sudoku variant I saw in the puzzle set of the 1st World Sudoku Championship.
Psycho Killer
This variant was invented in the Oğuz Atay Puzzle Contest 5 in 2009.
Pyramid
This is a standard puzzle format. I don't know the history.
Renban
This puzzle format I saw on the page of Inaba Naoki.
Retro Killer
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).
Septoku
This puzzle format I found at a page of Bruce Oberg.
Skyscraper
This is a standard puzzle format.
Skyscraper Hanidoku
That is a natural combination of Skyscraper and Hanidoku.
Skyscraper with parks
This is an old Skyscraper variant. I oldest puzzle of this format I know was made by Tim Peeters.
Spiral Sudoku
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.
Sudoku
This is a standard puzzle format.
Sudoku Bunch of Grapes
This is my own invention of a combination of sudoku like rules with a known puzzle grid.
Sudoku Chain
This is a very old sudoku variant. I know it from the Yahoogroup Sudoku World.
Sudoku Cube
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.
Sudoku Hexagon
This is the natural hexagonal variant of Sudoku.
Sudoku Net
???
Sudoku Pairs
???
Sudoku with End Product
???
Sudoku with End Sum
???
Sudoku with Magic Square
So far as I know I've invented Sudoku with Magic Squares including the variant with an hidden magic square. (But see Magic Sudoku),
Sudoku X
This is a standard sudoku variant.
Sudoku 147
This is a standard sudoku variant. The name was invented in the 1st World Sudoku Championship.
Sum Box Sudoku
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
Sum Line Sudoku is a sudoku variant that I invented 2007.
Sum Search Sudoku
Sum Search Sudoku was my invention, but you can consider it also as subvariant of the older Killer <=>.
Tablecloth Sudoku
This puzzle format is an invention of Thomas Snyder.
Takumi
This puzzle format I found in a puzzle combination by Zoltán Horváth at the 10 th 24 Hours Puzzle Contest 2009.
Tape Sudoku
This variant is my own invention. It is an attempt to make an one-dimensional sudoku variant.
Target Sudoku
I found this puzzle format in the internet.
Tenner Grid
???
The Nonconsecutive Egg
This puzzle format is an own invention of 2006.
The other loop
This puzzle format I saw on the page of Inaba Naoki.
Triangle Sudoku
This my own combination of sudoku and a triangular grid used in a chess variant.
Triangular Hexdoku
This is a puzzle format that I invented using a chess variant board.
Trid
I saw this puzzle format first in the puzzle set of Bogdanov and Khanmagomedov for the 10th 24 Hour Puzzle Contest 2009 in Budapest.
Twin Corresponding Sudoku
This sudoku variant was invented by Henry Kwok in 2007.
Twin Corresponding Zero Killer
I have invented this combination of Twin Corresponding Sudoku and Zero Killer.
Under-Pair Numbers
I found this puzzle format at the page of Inaba Naoki.
Up and Down
I know this puzzle format by the page of Inaba Naoki
Vudoku
Vudoku is a subvariant of Sum Line Sudoku. The name was invented in a Turkish Online Championship 2009.
Which is the biggest?
I know this puzzle format by a puzzle of Laszlo G. Nagy.
Wrong Killer
The Wrong Killer format was invented by Jan Novotný in 2009.
Yonbun
This is a puzzle format I found at the page of Inaba Naoki.
Zero Killer
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.
10 Sum Sudoku
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.
2 Lines
This puzzle format is an own invention of 2006.
4x4x4 Sudoku
I found this puzzle format in the puzzle set of the Japan Number Place Championship 2007.
5x5x5 Sudoku
This is a magnification of 4x4x4 Sudoku. There exist also a 3x3x3 variant by perplexus.info.