"Blocked and loaded
The Nikoli puzzle factory is filled with evil geniuses. There really is no way else to explain their signature puzzle types sudoku, kakuro, hitori and the plethora of others that have hit the eShop by way of developer Hamster — the puzzles are simple in premise, seem easy enough to complete but then dropkick your brain when you've come too far to turn back.", writes NintendoLife.
