Rossini Sudoku [ROSU-5-005P]
Hypersudoku [HYPE-4-004P]
Asterisk Sudoku [ASTE-5-005P]
Anti-Diagonal Sudoku [ADSU-5-005P]
Anti-Knight Sudoku [NITE-5-005P]
Sandwich Sudoku [SAND-4-004P]
Skyscraper Sudoku [SKSU-5-005P]
Rossini Sudoku [ROSU-4-004P]
Frame Sudoku [FRSU-2-002P]
Girandola Sudoku [GIRA-5-005P]
Skyscraper Sudoku [SKSU-4-004P]
Outside Sudoku [OUTS-3-003P]
Even-Odd Sudoku [EOSU-5-005P]
Sudoku XV [SUXV-4-004P]
