A game objective is what a player is trying to achieve in order to win. They provide challenges, set the tone of the game, affect formal game systems, and affects game dramatics.
Examples: Checkers, Chess, Battleship, Capture the Flag, and Civilization.
Examples: Tag, Fox and Geese, and Maximum Chase.
Examples: Monopoly, Uncle Wiggily, and Backgammon.
Examples: Bejeweled, Connect Four, Jenga, Tic-Tac-Toe, and Tetris.
Examples: Super Mario Bros, Great Dinosaur Rescue, and Turtix Rescue Adventure.
Examples: Twister, KerPlunk, Operation, and Pick-a-stick.
Examples: SimCity, Civilization, Animal Crossing, Second Life, and Magnext.
Examples: Zelda, EverQuest, and Goldland.
Examples: Myst, World of Goo, and Pipes.
Examples: Trivial Pursuit, Survivor, Turn the Tide, and Jeopardy.