Puzzle Iroiro: Gekkan Crossword House

Puzzle Iroiro: Gekkan Crossword House (パズルいろいろ 月刊クロスワードハウス "Puzzle Variety: Monthly Crossword House") is a series of puzzle games developed by TOSE for Nintendo DSi. It was released in 6 volumes, each volume covering the then-upcoming issue of the magazine Monthly Crossword House, containing several types of crosswords, and also sudoku and nonograms. The volumes 4~6 added the phrase Kenshou Tsuki (懸賞付 "Sweepstaking") to the title. The volumes 1~4 were delisted from DSi Shop on 22 September 2014, while the volume 5 was delisted a week later on 29 September, and the volume 6 a month later on 28 October.