89		NetHack (Windows, 2003)
78		Ancient Domains of Mystery (DOS, 1996)
78		Ancient Domains of Mystery (Windows, 1996)
72		Angband (Windows, 2005)
72		Angband (DOS, 1997)
66		Quick Majik Adventure (DOS, 1991)
64		Caverns of Xaskazien (DOS, 1995)
63		Moria (DOS, 1988)
63		MAG (DOS, 1988)
63		Omega (DOS, 1988)
62		Omega (Windows, 2003)
62		NetHack: Legacy (Windows, 2018)
62		UnReal World (DOS, 1992)
62		Larn (DOS, 1986)
62		Caverns of Xaskazien (Windows, 2005)
60		Abandoned Knight (Windows, 2016)
60		Linley Henzell's Dungeon Crawl (Windows, 1997)
60		Linley Henzell's Dungeon Crawl (DOS, 1997)
60		NetHack Plus (DOS, 1994)
60		Warlock's Mountain (Windows, 2006)
57		UnReal World (Windows, 2006)
56		Ragnarok (DOS, 1993)
53		Evets: The Ultimate Adventure (DOS, 1988)
53		Zangband (DOS, 1994)
53		Rogue Clone (DOS, 1988)
53		Dungeons of Dredmor (Windows, 2011)
52		Rogue (DOS, 1984)
52		TileRogue (Windows, 2005)
52		Cardinal Quest (Windows, 2011)
52		Hack (DOS, 1984)
51		Moonlighter (Windows, 2018)
50		Rogue Empire (Windows, 2018)
50		Telengard (DOS, 1985)
50		Telengard (Windows, 2002)
50		Hengband (Windows, 2002)
50		Cardinal Quest 2 (Windows, 2015)
50		Zangband (Windows, 1998)
44		Magus: 2nd edition (DOS, 1993)
43		Desktop Dungeons (Windows, 2010)
42		NetHack 2000 (Windows, 1999)
41		Lords of Doom: Part One - The Black God (DOS, 1996)
40		9th Dawn (Windows, 2017)
40		9th Dawn II (Windows, 2016)
40		Narwhals in the Sky (Windows, 2017)

Notes: Games similar to NetHack, Games like NetHack, DOS, Role-Playing, RPG, Fantasy, Roguelike, Top-down, PC, Game Similarities.