Curving Road [CURV-4-004P]
Satogaeri [SATO-4-009P]
Tapa [TAPA-4-004P]
Dead Angle [DANG-4-004P]
Shimaguni [SHIM-4-009P]
Index Sums [INDE-4-004P]
Sum Skyscrapers [SSKY-4-004P]
Straights [STR8-4-009P]
Tasquare [TASQ-4-009P]
Fillmat [FMAT-4-004P]
Sandwich Sudoku [SAND-4-004P]
Santoitchi [SANT-4-004P]
Correct Connection [COCO-4-004P]
Moon or Sun [MSUN-4-004P]
