75		16 (DOS, 1996)
70		RotaPicture (Windows, 2003)
70		Argh (DOS, 1989)
62		15 Puzzle (Windows, 1999)
53		Loopy (DOS, 1994)
45		Lasermania (DOS, 1996)
45		PocoMan! (Windows, 1996)
45		Cheat Mine (Windows, 1996)
44		Landmine (Windows, 1995)
44		Facetrex (DOS, 1995)
44		VW Sharan: Pack 'n Puzzle (DOS, 1995)
44		Demineur (DOS, 1995)
44		Madragon (DOS, 1995)
44		The 7th Square (DOS, 1995)
44		Under Pressure (Windows, 1995)
44		New Beetle Tracks and Gaps (Windows, 1997)
44		Magiczne Puzzle (Windows, 1997)
44		ClockWerx (Windows, 1995)
44		Farocar (Windows, 1997)
44		Minesweeper (Windows, 1995)
43		SpaceChem (Windows, 2011)
43		Laser Light (DOS, 1994)
43		Weebee Worlds (DOS, 1994)
43		Arcy 2 (DOS, 1994)
43		Quell (Windows, 2015)
43		Elements (DOS, 1994)
43		Hero Defiant (Windows, 1998)
43		Engare (Windows, 2017)
42		Gear Works (DOS, 1993)
42		DOSMINE (DOS, 1993)
42		Balloon Challenge (DOS, 1993)
42		Coconuts (Windows, 1999)
42		LineWay (Windows, 2017)
42		Hierophant (Windows, 1999)
42		Strata (Windows, 2013)
42		Visual Sokoban (Windows, 1999)
42		Pandora's Box (Windows, 1999)
42		StarFire (Windows, 1999)
42		3x Logic Games (DOS, 1993)
42		Sigils of Elohim (Windows, 2014)
41		Alpha Man (DOS, 1992)
41		Oxyd (DOS, 1992)
41		Revelation (DOS, 1992)
41		Soko-Ban (DOS, 1987)
41		Covering (DOS, 1992)
41		Neutron Trails (Windows, 2000)
41		Bolo Adventures I (DOS, 1992)
41		Hero's Heart (DOS, 1992)
41		The Brainies (DOS, 1992)
41		Bulldozer (Windows, 2000)
41		Bulldozer II (Windows, 2000)
41		Color Wheel (Windows, 2000)
41		Theme Puzzle (Windows, 2000)
41		Dark Tiles (Windows, 2000)
41		PuzzPower (Windows, 2000)
41		Four Orbs (Windows, 2000)
41		Zen of Sudoku (Windows, 2006)
41		Ultimine (Windows, 2000)
40		The 15 Puzzle (DOS, 1982)
40		JezzBall Classic (Windows, 2016)
40		LOOP (Windows, 2015)
40		Black Box (DOS, 1982)
40		Switch (DOS, 1982)
40		El Grinch (DOS, 1983)
40		Minesweep (Windows, 2018)
40		Wave Mechanics (Windows, 2015)
40		Algorithm (Windows, 2017)
40		Akin (Windows, 2016)
40		PixlCross (Windows, 2015)
40		Summer: Jigsaw Puzzles (Windows, 2018)
40		Joining Hands 2 (Windows, 2013)
40		Molefest (DOS, 2002)
40		Simple Sokoban (Windows, 2014)
40		Quell: Zen (Windows, 2016)
40		Fifteen Puzzle (DOS, 1983)
40		Maze (DOS, 1983)
40		Zig Zag Flag Shag (DOS, 1991)
40		The Quest of Kwirk's Castle (DOS, 1991)
40		Krymini (DOS, 1991)
40		Bolo Adventures II (DOS, 1991)
40		Orbox C (Windows, 2016)
40		Mouse in Lab (Windows, 2017)
40		Sokoban (DOS, 2007)
40		The Power (DOS, 1991)
40		Shiftrix (DOS, 1991)
40		Labyrinth (DOS, 1986)
40		Invisibox (Windows, 2017)
40		PolyMaze (DOS, 1983)
40		Triskelion (DOS, 1987)
40		Baroll (DOS, 2001)
40		Numbers & Logic I (DOS, 1991)
40		Quadrel (DOS, 1990)
40		Oik: Memory (Windows, 2017)
40		Gemsweeper (Windows, 2007)
40		Chromatron (Windows, 2002)
40		Slyder (Windows, 2002)
40		Funny Creatures (Windows, 2003)
40		Kakuro Guru (Windows, 2010)
40		Animals of Africa (Windows, 2002)
40		EIPC Free SuDoKu 3 (Windows, 2007)
40		Elven Mists (Windows, 2007)
40		QuadroX-2 (Windows, 2003)
40		Manic Minefields (Windows, 2003)
40		eMazing Mazes (Windows, 2003)
40		The Misadventures of Sir Randolph Doogleberry, British Explorer (Windows, 2004)
40		Reckon (Windows, 2003)
40		Lightspeed (Windows, 2003)
40		Spintensity (Windows, 2003)
40		Electronica (Windows, 2003)
40		Kakuro (Windows, 2006)
40		FLOP! The Game (Windows, 2001)
40		Block Manouveres (Windows, 2002)
40		Archibald's Ice Cubes (Windows, 2002)
40		Molefest (Windows, 2002)
40		Abysma (Windows, 2002)
40		Amazing Kye (Windows, 2001)
40		Baroll (Windows, 2001)
40		Critical Seeker (Windows, 2002)
40		Q-lympics IQ-marathon (Windows, 2003)
40		Ultimate Games: 25,000 Sudoku (Windows, 2006)
40		Kakuro 60.000 (Windows, 2006)
40		3 Balls (Windows, 2006)
40		Map (Windows, 2005)
40		The Sudoku Challenge! (Windows, 2005)
40		Lights (Windows, 2005)
40		Fiber Tree (Windows, 2004)
40		Powerpuzzle (Windows, 2005)
40		Mines (Windows, 2005)
40		Red Spheres (Windows, 2008)
40		WiseBall (Windows, 2007)
40		Chocolate Castle (Windows, 2007)
40		Gasparilla: Quest for the Key (Windows, 2007)
40		Pathstorm (Windows, 2007)
40		2002 Pentamino Puzzles (Windows, 2008)
40		Rainbow Hero (Windows, 2015)
40		BoxWorld 2 (Windows, 2009)
40		World Riddles: Animals (Windows, 2009)
40		BoxWorld (Windows, 2009)
40		Quell: Reflect (Windows, 2015)
40		Cogs (Windows, 2009)
40		Quell: Memento (Windows, 2015)
40		Shellblast (Windows, 2007)
40		Tangle Bee (Windows, 2006)
40		Inertia (Windows, 2005)
40		Buku Kakuro (Windows, 2006)
40		Arrow Slider (Windows, 2005)
40		Untangle (Windows, 2005)
40		SnakeSlider (Windows, 2005)
40		GEOM (Windows, 2005)
40		Ka Kuro Master (Windows, 2006)
40		Masyu (Windows, 2006)
40		CubeDrift (Windows, 2006)
40		Magic Pearls (Windows, 2006)
40		Kakuro XXL (Windows, 2006)
40		Deflektor X4 (Windows, 2006)
40		Su Doku Classic 2 (Windows, 2006)
40		Tiny Worlds (Windows, 2006)
40		Ziro (Windows, 2009)

Notes: Games similar to 15 x 15, Games like 15 x 15, Nikita Ltd., IFTECH Software AB, DOS, Puzzle, Top-down, Fixed, Flip-screen, Sliding block, tile puzzle, PC, Game Similarities.