Puzzle Iro Iro Monthly Crossword House Vol. 1 is a DSiWare video game released in May of 2009. The game costs 500 Nintendo Points. The puzzles include games that were included in the July issue of Crossword House, a monthly Japanese publication. In all, there are fifty puzzles. Types of puzzles included are crossword puzzles, illustration logic, and number cross. The games are played via the touch screen.

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