85		An Octave Higher (Windows, 2015)
85		7 Days with Death (Windows, 2017)
84		Seven Boys 2 (Windows, 2017)
83		Among the Dead (Windows, 2018)
75		Wish: Tale of the Sixteenth Night of Lunar Month (Windows, 2016)
74		Mysteries of Fence (Windows, 2017)
74		Area-X (Windows, 2015)
65		Shining Song Starnova (Windows, 2018)
64		Beyond Clouds (Windows, 2017)
64		In the Name of Sin (Windows, 2017)
64		Bunka no Kenkyu: Revival of Queen Leyak (Windows, 2017)
63		Desperate Game (Windows, 2018)
45		One Small Fire at a Time (Windows, 2016)
45		Dead End Junction (Windows, 2016)
45		SoniComi: Communication with Sonico (Windows, 2016)
44		Love & Order (Windows, 2015)
43		Sapphire Moon: Your best wishes (Windows, 2018)
40		SoniComi: Communication with Sonico (Windows, 2011)

Notes: Games similar to Harmonia, Games like Harmonia, Key, Visual Art's, Visual Art's, Windows, Adventure, Simulation, Fantasy, Anime, Manga, Visual Novel, 1st-person, 2D scrolling, PC, Game Similarities.