Random triples
| Subject | Object |
|---|---|
| gptkb:GE/McKinsey_matrix | 3x3 |
| gptkb:Boss_Puzzle | 4x4 |
| gptkb:Sum_Sudoku | 9x9 |
| gptkb:KenKen_puzzle | varies (commonly 4x4 to 9x9) |
| gptkb:fifteen_puzzle | 4x4 |
| gptkb:Sudoku_puzzles | 9x9 |
| gptkb:GE_nine-box_matrix | 3x3 |
| gptkb:Mini_Kakuro | smaller than standard Kakuro |
| gptkb:Mutant_Sudoku | 9x9 |
| gptkb:KenKen | commonly 4x4 to 9x9 |
| gptkb:Triple_Triad | 3x3 |
| gptkb:Number_Place | 9x9 |
| gptkb:Windoku | 9x9 |
| gptkb:Jiùgōng | 3x3 |
| gptkb:sudoku_(generalized_version) | n x n |
| gptkb:Mutant_Sudoku | other sizes possible |
| gptkb:Gem_Puzzle | 4x4 |
| gptkb:Calcudoku | varies |
| gptkb:Crossword | varies |