Hiroimono [HIRO-4-004P]
Norinori [NORI-4-004P]
Nondango [NDAN-2-002P]
Consecutive Sudoku [CONS-5-005P]
Index Sums [INDE-3-003P]
Pure Loop [LOOP-5-005P]
Ichimaga [ICHI-3-003P]
Outside Sudoku [OUTS-1-001P]
Hakoiri [HAKO-3-003P]
Slant [SLAN-4-004P]
Frame Sudoku [FRSU-1-001P]
Non-Consecutive Sudoku [NCSU-2-002P]
Suguru [SUGU-4-004P]
Asterisk Sudoku [ASTE-2-002P]
