A game where input from only one player is expected throughout the course of the gaming session. The vast majority of modern console and arcade games are designed so that they can be played by a single-player.
Examples: Solitaire, Grand Theft Auto, and Pac-Man.
A game where more than one person can play in the same game environment at the same time. The players compete against the game without interaction with each other.
Examples: Halo, Blackjack, and Bingo.
A game where two players directly compete. This type of interaction turns the game into a personal contest.
Examples: Chess, Tennis, Checkers, and Tic-tac-toe.
A game where two or more players compete against one player.
Examples: Tag and Dodgeball.
A game where three or more players compete.
Examples: Monopoly, The Game of Life, and Rummikub.
A game in which two or more players cooperate against the game.
Examples: Call of Duty and FarmVille.
A game in which two or more groups compete against each other.
Examples: World of Tanks, Counter-Strike, and Soccer.