Heres a list of different sudoku terms and definitions
A Grid smaller than 9×9. Sometimes called kids Sudoku as the smaller grid makes it easier to solve.
A sudoku puzzle larger than 9×9.
N×N grid where N is prime. Generally constructed with polyomino regions,
Maximum Su Doku
A type of puzzles that has the maximum number of clues needed to allow a complete solution.
Proper Sudoku Puzzle
A sudoku puzzle that has a unique solution.
A sudoku puzzle that does not need to be approached using trial and error.
Purely numeric puzzle
Sudoku Puzzles which use only numbers.
Purely literal puzzle
A sudoku puzzle which uses letters instead of numbers.
Sudoku Puzzles that use both letters and numbers, usually in 12×12 sudoku.
A shape of equal sized, adjacent squares. Used Often for Sudoku region variants. size. Polyominos sizes: (pentomino, hexomino, heptomino, octomino, and nonomino.
5×5, 6×6, 7×7, 8×8 or 9×9 grids with irregular shaped regions and minimal clues. They are are also known as Latin Squares Puzzles,Squiggly Sudoku, Jigsaw Sudoku, Irregular Sudoku, or Geometric Sudoku.
Four 2×2 regions.
5×5 grid with pentomino regions. Go is Japanese for 5.
This was featured at the World Sudoku Puzzle Championships