Anti-King Sudoku [KING-5-005P]
Sudoku XV [SUXV-5-010P]
Little Unique Killer Sudoku [LUKS-2-002P]
Center Dot Sudoku [CDSU-3-003P]
Hypersudoku [HYPE-3-003P]
Kropki Sudoku [KROP-4-004P]
Jigsaw Sudoku [JIGS-4-009P]
Outside Sudoku [OUTS-1-006P]
Argyle Sudoku [ARSU-3-003P]
Kropki Sudoku [KROP-3-003P]
Diagonal Sudoku [DIAG-3-003P]
Rossini Sudoku [ROSU-2-002P]
Skyscraper Sudoku [SKSU-2-007P]
Sujiken [SUJI-4-004P]
