Heyawake: H3 This is one of my favorite puzzles. This is as addictive as Sudoku . Rules of Heyawake 1. The rectangle, divided by bold lines, ... Read More..
Rules of "Four Squares" Four Squares puzzle appeared in World Puzzle Championship 2009 . I have prepared couple of puzzles of this type which I will be posting so... Read More..
Sudoku Mock Tests For the preparations for the World Sudoku Championships (WSC), Mock Sudoku Test is held by Logic Masters India every week before the WSC.... Read More..
Prime Number Sudoku (Fun With Sudoku #28) Solution Here is the answer to my previous Sudoku League Puzzle titled " Prime Number Sudoku (Fun With Sudoku #28) ". Can you solve this Pr... Read More..
Classic Sudoku (Fun With Sudoku #25) Solution Here is the answer to the Sudoku League Puzzle titled " Classic Sudoku (Fun With Sudoku #25) ". Can you solve this Classic Sud... Read More..
Tripod Sudoku: T1 This Tripod Sudoku puzzle I created for 10th 24 hour Championship. Tripod Sudoku also appeared in the following championships Oguz At... Read More..
Classic Sudoku (Fun With Sudoku #254) Puzzle Solution Here is the solution for the Classic Sudoku Puzzle. This Sudoku is published with the title Classic Sudoku Puzzle (Fun With Sudoku #254) .... Read More..
Even Odd Sudoku (Mini Sudoku Series #96) Solution This is the solution to the Even-Odd Sudoku published with the title Even Odd Sudoku (Mini Sudoku Series #96) . Can you solve this Even O... Read More..
Tripod Sudoku : T2 Tripod Sudoku Instructions Fill the grid with digits 1-6 and divide the grid into some regions, so that each digit appears exactly on... Read More..
Mini Kropki Sudoku: K2 This Puzzle type appeared in the following championships "18th World Puzzle Championship, Antalya (Turkey)" World Sudok... Read More..
Diagonal Sudoku (Daily Sudoku League #176) Answer Here is the solution to Diagonal Sudoku which is titled Diagonal Sudoku (Daily Sudoku League #176) Try solving the Diagonal Sudoku and wr... Read More..
Rules of Round Sudoku Round Sudoku is also known as Circular Sudoku or Target Sudoku. It is different from Classic Sudoku as one has to think circularly while s... Read More..
LMI Monthly Test - May 2010 - Mastermind Twins After a successful weekly Sudoku Mock Tests, Logic Masters India (LMI) is now starting LMI Monthly Test. May 2010 test is named as ... Read More..
Sudoku 2D: CS9 This is very basic Sudoku type. I have written the computer program to generate these type of puzzles. This the computer generated Sud... Read More..
Sudoku 2D: CS8 This is very basic Sudoku type. I have written the computer program to generate these type of puzzles. This the computer generated Sud... Read More..
Snail Sudoku-1 Snail Sudoku is one of my favorite Sudoku type. This puzzle type appeared in OÄŸuz Atay Puzzle Contests (OAPC) and The Last Sudoku Compe... Read More..
Sudoku 2D: CS7 This is very basic Sudoku type. I have written the computer program to generate these type of puzzles. This the computer generated Sud... Read More..
Sudoku 2D: CS6 This is very basic Sudoku type. I have written the computer program to generate these type of puzzles. This the computer generated Sud... Read More..
Sudoku Cup 4 The sudoku club Kabrňáci and SČHAK (the Czech Puzzlers and Crossworders Union) are to announce the unique online "sudokucup" tou... Read More..
Number Place - Skyscraper With Empty Space "Number Place - Skyscraper With Empty Space" Instructions The grid represents a plot with buildings of different heights. Fi... Read More..
Sparse Skyscrapers: SS1 "Sparse Skyscrapers" Instructions: Fill the grid in such a way that every row and every column contains numbers from the g... Read More..
Tight Fit Sudoku (Daily Sudoku League #174) Answer Here is the answer to Tight Fit Sudoku which is titled Tight Fit Sudoku (Daily Sudoku League #174) Can you solve this Tight Fit Sudoku? ... Read More..
Arrow Loop: A1 This is the first new puzzle variation which I created. Earlier I have posted this puzzle at my puzzle blog but now will be posting this t... Read More..
Diagonal Loop: D1 Instructions: Draw a single closed loop by connecting neighboring corners diagonally (but not horizontally or vertically). A numbered cir... Read More..
Crossing Masyu: C1 Rules of Crossing Masyu Puzzle Moving from square to square, draw a closed path that passes through every circle and cross itself onl... Read More..
The First Online Sudoku Competition After WSC Here is the mail from Fred regarding this championship. Hi, If you participate in World Sudoku Championship (WSC) and you... Read More..
Two Snakes: T1 Two Snakes Instructions Draw two snakes in the grid, whose head and tail (if given) are greyed cells. A snake doesn't touch itself... Read More..
Masyu Snake: M1 Instructions: Draw a snake in the grid, whose head and tail (if given) are greyed squares. Snake doesn't touch itself, not even diag... Read More..
Dotty Snake (WPC Style Puzzles #D1) This is the new Puzzle Variations named Dotty Snake. This puzzle is an example to explain the rules of this puzzle type. Dotty Snake Instru... Read More..
Paint the Snake: P1 This is the variation of very famous puzzle known with many names "Paint by Numbers", Nanograms or Griddlers. " Paint ... Read More..
Loop Painting: L1 This is the variation of very famous puzzle known with many names "Paint by Numbers", Nanograms or Griddlers. "Loop Pa... Read More..
Palindrome ABCD End View: P1 This puzzle type I created for "Contest for best logic innovation" Palindrome ABCD End View Instructions Fill the grid wit... Read More..
Palindrome Skyscrapers: P1 This puzzle type I created for "Contest for best logic innovation" Instructions: Fill the grid with numbers from 1 to 3 (repr... Read More..
Snakes: S1 This puzzle type I created for "Contest for best logic innovation" Snakes Instructions Fill the grid with snakes so that ... Read More..
Logic Challenge: Master the Double Skyscrapers Puzzle Double Skyscrapers Puzzle Instructions Fill the grid with digits 1 to 3, so that each digit appears exactly twice in every row/column. The ... Read More..
Wolves in Polygraph: W1 This puzzle type I created for "Contest for best logic innovation" Instructions: Draw a single continuous loop by connect... Read More..
Snail Skyscrapers: S1 This puzzle type I created for "Contest for best logic innovation" Snail Skyscrapers Instructions Fill the grid with dig... Read More..
Network: N1 Instructions of Network Puzzle Connect Blackened and White Circles at center represented by N. Connection at N should have at least ... Read More..
MineSweepers in Loop: M1 This puzzle type I created for "Contest for best logic innovation" Instructions: Place some mines in each diagram so that... Read More..