99		3-D Tic-Tac-Toe (Windows, 2010)
99		3-D Tic-Tac-Toe (DOS, 1982)
78		Cubic Tic Tac Toe (DOS, 1985)
74		Tommy's Tic-Tac-Toe (DOS, 1987)
72		Tic Tac Toe 3D (Windows, 2000)
70		Armored Freedom (Windows, 2017)
70		Space Crusade (DOS, 1992)
52		Stratego (Windows, 1998)
52		Monopoly Plus (Windows, 2017)
52		Reversi 3D TR (Windows, 2003)
52		Blokus 3D (Windows, 2005)
52		100% Orange Juice (Windows, 2014)
50		Pirates: Constructible Strategy Game Online (Windows, 2006)
50		Nyheim (Windows, 2017)
50		Board Defenders (Windows, 2016)
50		Dames Simulator (DOS, 1990)
50		Catan Universe (Windows, 2017)
50		Chessmaster 5500 (Windows, 1997)
50		Ishido (Windows, 2003)
50		Way of Defector (Windows, 2017)
50		Checkers Ultimate (Windows, 2003)
50		3D-Seeschlacht (Windows, 1999)
50		LEGO Chess (Windows, 1998)
50		Colossus X Draughts (DOS, 1993)
50		Make4 3D (Windows, 2000)
50		Catapults (Windows, 2002)
50		Yatzy (Windows, 2017)
50		Business Tour (Windows, 2017)
43		Tic Tac Toe (DOS, 1982)
42		3D Tic-Tac-Toe (Windows, 2005)
40		Flash Point: Fire Rescue (Windows, 2018)
40		Knockout Checkers Chamber (Windows, 2017)
40		Tic Tac Toe (DOS, 2002)
40		Monika's Tic Tac Toe (DOS, 2006)
40		Warhammer 40,000: Regicide (Windows, 2015)
40		Tic Tac Toe (Windows, 2001)
40		OXO (Windows, 2002)
40		Colony (Windows, 1999)
40		Tic Tac Toe (Windows, 1998)
40		Crosses and Noughts (Windows, 1999)
40		Tic-Tac-Toe (Windows, 1999)
40		Legio (Windows, 2010)
40		Guardians of Graxia (Windows, 2010)
40		Battle vs Chess (Windows, 2011)
40		Battle Chess: Game of Kings (Windows, 2015)
40		Heroes of Normandie (Windows, 2015)
40		Multiplayer Tic Tac Toe (Windows, 2008)
40		Starion Tactics (Windows, 2014)
40		Atriage (Windows, 2016)

Notes: Games similar to Quad, Games like Quad, Acorn Software Products, Inc., DOS, Strategy, Tactics, Board Game, Turn-based, Bird's-eye view, Isometric, PC, Game Similarities.