84		Dōsei (Windows, 1997)
80		SchoolMate (Windows, 2007)
80		BotuPlay (Windows, 2006)
80		RapeLay (Windows, 2006)
80		Jinkō Shōjo 3 (Windows, 2008)
80		Sexy Beach 3 (Windows, 2006)
80		Hako (Windows, 2008)
80		Wakeari! (Windows, 2011)
80		Jinkō Gakuen (Windows, 2011)
80		Real Kanojo (Windows, 2010)
80		Jinkō Shōjo 2 (Windows, 2004)
80		Oppai Slider 2 (Windows, 2005)
80		Sexy Beach 2 (Windows, 2003)
80		Interact Play VR (Windows, 2001)
70		Mahō no Shippo na 2 (Windows, 2002)
70		Mahō no Shippo na (Windows, 2001)
70		Mahō no Shippo na 3 (Windows, 2003)
60		Sleeping Girl (Windows, 2015)
60		Kotatsu Ecchi (Windows, 2016)
60		Hentai Case Opening (Windows, 2018)
54		UltraVixen (Windows, 1997)
51		Interact Play (Windows, 2000)
51		Biko 2 (Windows, 2000)
50		HomeMate (Windows, 2009)
50		Biko 3 (Windows, 2004)
50		The Affairs of a Chikan!: Vol 7 - Honor Student (Windows, 2015)
50		Idol Janshi Suchie-Pai Fan Disc (Windows, 2002)
42		Biko (Windows, 1999)

Notes: Games similar to Custom Mate 3, Games like Custom Mate 3, Cocktail Soft, Cocktail Soft, Windows, Simulation, Anime, Manga, Adult, 1st-person, PC, Game Similarities.