- Although they usually play in rectangular or square grids, most grid puzzles can generalize to non-rectangular grids.
- Orthogonal simply means parallel to the edges of the cell.
- Diagonal simply means a combination of two orthogonal movements.
- Many of these puzzles are published by Nikoli or Naoki Inaba.
Grid-Based Puzzles
- Bridge and Chain Drawing Puzzles
- Connected Region Puzzles
- Line of Sight Puzzles
- Loop Drawing Puzzles
- Number Placement Puzzles
- Object Placement Puzzles
- Partitioning Puzzles
- Shaded Region Puzzles
- Sudoku
Link
- Cross+A - website with a catalog of logic puzzles. Main source for other non-sudoku variants. Stops at Choco-Banana