80		Puzzle Showdown 4K (Windows, 2017)
65		Infinite Jigsaw Puzzle (Windows, 2005)
64		Over 1000 Jigsaw Puzzles (Windows, 2004)
63		Puzzle Master 4 (Windows, 2003)
62		Puzzle Master 3 (Windows, 2002)
62		Puzzle Master 2 (Windows, 2002)
62		Gaia 3D Puzzle (Windows, 2008)
61		Betty Boop: Picture Perfect (Windows, 2009)
60		Hunt & Score (Windows, 2010)
60		Jigsaws Galore (Windows, 1996)
60		Super Jigsaw Puzzle: Monuments (Windows, 2018)
60		Puzzle Madness (Windows, 1999)
60		Castle: Jigsaw Puzzles (Windows, 2018)
54		Ultimate Mahjongg 5 (Windows, 2004)
54		Puzzle Master 5 (Windows, 2004)
54		Jigsaw365 (Windows, 2004)
53		BrainPower (Windows, 2003)
53		MemoTrimo (Windows, 2003)
52		Jigsaw Star: Best of Art Jigsaw Puzzles (Windows, 2008)
52		Jigsaw Star: Mixed Jigsaw Puzzles (Windows, 2008)
52		Jigsaw World (Windows, 2008)
52		Match Up (Windows, 2002)
51		Absolute Memory (Windows, 2001)
51		Pixel Puzzles 2: Space (Windows, 2016)
51		Solitaire Genius (Windows, 2001)
51		8 Puzzle (Windows, 2001)
50		Fiddle (DOS, 1992)
50		FlixMix (DOS, 1993)
50		Memory (DOS, 1991)
50		Classic Concentration (DOS, 1988)
50		Puzzle (DOS, 1989)
50		At the Carnival (DOS, 1990)
50		The Animated Super VGA Memory Game (DOS, 1994)
50		Puzza (DOS, 1996)
50		Hoyle Mahjong Tiles (Windows, 2000)
50		CardMatch (Windows, 2000)
50		Microsoft Windows 95 (included games) (Windows, 1995)
50		Japanese Women: Animated Jigsaws (Windows, 2017)
50		Memory (DOS, 1988)
50		Koach Tzabar 2 (DOS, 1997)
50		Pixel Puzzles: Junior (Windows, 2017)
50		Pixel Puzzles Ultimate (Windows, 2016)
50		StrataPoker (Windows, 2000)
50		Memory (DOS, 1983)
50		Pixel Puzzles 2: Birds (Windows, 2015)
50		Paradise Solitaire (Windows, 1995)
50		Pixel Puzzles: Japan (Windows, 2014)
50		Beautiful Japanese Scenery: Animated Jigsaws (Windows, 2016)
50		The Best Jigsaw Puzzles (Windows, 1998)
50		Super Memory (Windows, 1997)
43		Val'Gor: Dark Lord of Magic (Windows, 2007)
42		Cosmic Memory (Windows, 2002)
41		Pixel Puzzles 2: Anime (Windows, 2015)
40		Pixel Puzzles 2: RADical ROACH (Windows, 2016)
40		Solitairica (Windows, 2016)
40		Fallout: Tactics Concentration Game (Windows, 2000)
40		Otome Romance Jigsaws: Midnight Cinderella & Destined to Love (Windows, 2017)

Notes: Games similar to Ultimate Puzzles 1000, Games like Ultimate Puzzles 1000, ValuSoft, Inc., Windows, Puzzle, Cards, Tiles, Turn-based, Top-down, Jigsaw puzzle, PC, Game Similarities.