RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  Endpoints (Diamonds) must differ by at least 4. Digits on the line must be different than the endpoint values and must not fall between them. Each Lockout segment is treated as an independent Lockout Line. Digits can repeat if allowed by other rules. Online Solving Link using Penpa Online Solving Link using Sudokupad ..read more

  RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  Online Solving Link using Penpa Online Solving Link using Sudokupad ..read more

RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  There are some arrow shapes in the grid. The sum of the digits along the path of each arrow must equal the digit in the circled cell. Digits may repeat along an arrow.  Online Solving Link using Penpa Online Solving Link using Sudokupad   ..read more

  RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  Online Solving Link using Penpa Online Solving Link using Sudokupad ..read more

  RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  Online Solving Link using Penpa Online Solving Link using Sudokupad ..read more

  RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  There are some arrow shapes in the grid. The sum of the digits along the path of each arrow must equal the digit in the circled cell. Digits may repeat along an arrow.  Online Solving Link using Penpa Online Solving Link using Sudokupad ..read more

  RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  Numbers with arrows outside the grid indicate the sum of the digits appearing in the cells in the corresponding direction. Digits may repeat in the direction of the arrow. The clues outside the grid indicate the sum of the first X digits placed in the corresponding direction, where X is equal to the first digit placed in that direction.  Online Solving Link using Penpa Online Solving Link using Sudokupad ..read more

  RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  If a circle is given between two adjacent cells, then the difference in those cells must be 1 or 2. Not all circles are given.  Online Solving Link using Penpa Online Solving Link using Sudokupad ..read more

  RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  The digit pointed by each arrow must be larger than the other three digits that the arrow touches. Online Solving Link using Penpa Online Solving Link using Sudokupad ..read more

RULES: Place a digit from 1 to 9 into each empty cell in the grid so that each digit appears exactly once in each row, column and 3x3 outlined box. The digit in each circled cell is the number of digits in the 8 surrounding cells that have the same parity (odd/even) as that digit. Online Solving Link using Penpa Online Solving Link using Sudokupad   ..read more