99		Checker Connector (Windows, 2000)
99		Connect4 (Windows, 1995)
99		Classic Board Games (Windows, 2002)
99		4 Gewinnt (DOS, 1988)
99		Tommy's Trifles (DOS, 1987)
99		Vier op een rij (DOS, 1990)
99		Make4 3D (Windows, 2000)
85		Connect Four Cities (Windows, 2006)
81		Catapults (Windows, 2002)
80		SnakeWinder (DOS, 1990)
80		Crazy Nick's Software Picks: Parlor Games with Laura Bow (DOS, 1992)
55		Monika's Tic Tac Toe (DOS, 2006)
53		Multiplayer Tic Tac Toe (Windows, 2008)
52		Ishido (Windows, 2003)
52		Checkers Ultimate (Windows, 2003)
51		Risk II (Windows, 2000)
51		Video Chess (Windows, 2010)
51		Reversi (Windows, 2010)
51		Tic Tac Toe (DOS, 2002)
51		OXO (Windows, 2002)
51		Checkers (Windows, 2010)
51		3-D Tic-Tac-Toe (Windows, 2010)
50		Tommy's Tic-Tac-Toe (DOS, 1987)
50		Microsoft Windows/386 (included game) (DOS, 1987)
50		Othello (DOS, 1988)
50		Checkers (DOS, 1989)
50		Dames Simulator (DOS, 1990)
50		Squares (DOS, 1989)
50		The Computer Edition of Scrabble Brand Crossword Game (DOS, 1989)
50		Chess & Checkers (DOS, 1988)
50		The Games People Play: Gin ∙ Cribbage ∙ Checkers ∙ Backgammon (DOS, 1990)
50		Tribolo (DOS, 1991)
50		Phagefight (DOS, 1992)
50		Mens Erger Je Niet (DOS, 1990)
50		Tactile (DOS, 1989)
50		Computer Scrabble (DOS, 1987)
50		Rondgang (DOS, 1992)
50		Colossus X Backgammon (DOS, 1992)
50		Electronic Aggravation (DOS, 1993)
50		Colossus X Draughts (DOS, 1993)
50		Kalah (DOS, 1993)
50		Hex (DOS, 1983)
50		Tiào Ch'i (DOS, 1983)
50		Casino Craps (DOS, 1992)
50		Draughts (DOS, 1991)
50		Othello (DOS, 1991)
50		5 Intelligent Strategy Games (DOS, 1991)
50		Intelligent Strategy Games 10 (DOS, 1993)
50		Argo Checkers (DOS, 1993)
50		FLIP-ELLO (DOS, 1982)
50		Mario's Game Gallery (DOS, 1995)
50		Bonus (DOS, 1993)
50		Apples & Oranges (DOS, 1990)
50		Reversi (DOS, 1985)
50		Computer Mühle (Windows, 1999)
50		Tic Tac Toe (Windows, 1998)
50		MVP Checkers (Windows, 1998)
50		Dames & Backgammon (Windows, 1999)
50		Tic Tac Toe 3D (Windows, 2000)
50		Dodgem (Windows, 2001)
50		Tic Tac Toe (Windows, 2001)
50		Reversi Plus (Windows, 2000)
50		LEGO Chess (Windows, 1998)
50		Word Connect (Windows, 1998)
50		WZebra (Windows, 1998)
50		Hoyle Children's Collection (Windows, 1996)
50		Mario's Game Gallery (Windows, 1995)
50		Battlegammon (Windows, 1999)
50		Em@il Games: Grand Master Chess - Checkers & Backgammon (Windows, 1999)
50		BullyFrog (Windows, 2000)
50		Tic-Tac-Toe (Windows, 1999)
50		Deep Green Reversi (Windows, 1999)
50		Tommy's Othello (DOS, 1986)
50		Alquerque (Windows, 2001)
50		Othello (DOS, 1982)
50		3-D Tic-Tac-Toe (DOS, 1982)
50		Tic Tac Toe (DOS, 1982)
50		Cubic Tic Tac Toe (DOS, 1985)
50		8088 Othello (DOS, 1985)
50		Verso (DOS, 1986)
50		Tommy's Checkers (DOS, 1986)
50		Microsoft Windows (included game) (DOS, 1985)
50		Tatsu (Windows, 2016)
50		Fanorona (Windows, 2001)
50		Checkers (Windows, 2001)
50		Tafl (Windows, 2001)
50		Nine Men's Morris (Windows, 2001)
50		Hip (Windows, 2001)
50		Sliding Coins (Windows, 2001)
50		Chinese Checkers (Windows, 2001)
40		Space Crusade (DOS, 1992)
40		Harald: A Game of Influence (Windows, 2017)
40		Nuts!: The Battle of the Bulge (Windows, 2016)
40		Colony (Windows, 1999)
40		Morkin 2 (DOS, 1992)

Notes: Games similar to Four Up, Games like Four Up, AI Factory Limited, Selectsoft Publishing, Windows, Strategy, Tactics, Board Game, Turn-based, Side view, Fixed, Flip-screen, Board game - Connect Four, PC, Game Similarities.