85		TV Guide: Crosswords (Windows, 2004)
85		Random House Puzzles & Games: Crosswords (Windows, 2004)
81		GAMES Interactive 2 (Windows, 2000)
81		GAMES Interactive (Windows, 2000)
81		Puzzler World (Windows, 2009)
80		At the Carnival (DOS, 1990)
80		Dell Crossword Puzzles Volume III (DOS, 1987)
80		Kruiswoord (DOS, 1990)
80		Tommy's Crosswords (DOS, 1986)
80		Computer Puzzles Unlimited (DOS, 1994)
80		The Gowords Assistant (Windows, 1996)
80		Bible Crossword Puzzles (DOS, 1996)
80		Tashbetzey HaMahshev (DOS, 1996)
80		Crossword Mania (Windows, 1999)
74		Word Games (Windows, 2003)
70		Skript (Windows, 2017)
65		Blanda (Windows, 2004)
65		JAMDAT Word Craft (Windows, 2004)
65		WordJong (Windows, 2004)
65		Flip Words (Windows, 2004)
65		Loggle (Windows, 2004)
64		Challenge Letters (Windows, 2005)
64		BookWormZ (Windows, 2005)
64		Word Juice (Windows, 2005)
63		KeyWords (Windows, 2006)
63		The Great Wall of Words (Windows, 2006)
63		Word Travels (Windows, 2006)
63		Shuffle 15 (Windows, 2006)
63		Suji Moji Master (Windows, 2006)
63		WordUp (Windows, 2002)
62		Word Slinger (Windows, 2007)
62		Shangri La 2 Deluxe: The Valley of Words (Windows, 2007)
61		Spelling Bee (Windows, 2000)
61		PictoWords (Windows, 2008)
61		Cryptograms (Windows, 2000)
60		KrissX (Windows, 2010)
60		Missing Dots Matrix (DOS, 1991)
60		Balda (DOS, 1993)
60		Word Seeking (DOS, 1984)
60		Tommy's Hidden-Word (DOS, 1987)
60		Lexicon Word Challenge (Windows, 1998)
60		Word Ladders (DOS, 1991)
60		Koło Fortuny (DOS, 1992)
60		Wordfinder (Windows, 1996)
60		Witches: Das (W)irre Buchstabenspiel (Windows, 2009)
60		Acrostix (DOS, 1993)
60		Wordoku (Windows, 2009)
55		Battle of Words (Windows, 2004)
54		Academy of Magic: Word Spells (Windows, 2005)
54		Guess it not (Windows, 2003)
54		Coded X-Word (Windows, 2003)
54		Puzzler 1000 Crosswords (Windows, 2003)
52		Val'Gor: Dark Lord of Magic (Windows, 2007)
52		Crossword Addict (Windows, 2001)
52		Kriss Kross (Windows, 2001)
51		Super Word Slide (Windows, 2000)
51		Hoyle Crosswords (Windows, 2000)
51		CrosswordPlus (Windows, 2000)
51		The New York Times Crossword Puzzles (Windows, 2000)
51		Word Wiz (Windows, 2000)
50		Das Fitness-Kreuzworträtsel (Windows, 2009)
50		Highrise Heroes (Windows, 2016)
50		Are We There Yet? (DOS, 1991)
50		Tommy's Cryptoquips (DOS, 1992)
50		Hangman (DOS, 1992)
50		A Clue's Solution (DOS, 1993)

Notes: Games similar to Crossword Buff 501, Games like Crossword Buff 501, Nithbridge Ltd., Focus Multimedia Ltd., Windows, Puzzle, Word Construction, Text-based, Spreadsheet, Top-down, Fixed, Flip-screen, PC, Game Similarities.