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Still, these games do not require a large area in which to play them, large amounts of strength or stamina, or specialized equipment other than what comes in a box. Games are often classified by the components required to play them (e.g. miniatures , a ball, cards, a board and pieces, or a computer). In places where the use of leather is well-established, the ball has been a popular game piece throughout recorded history, resulting in a worldwide popularity of ball games such as rugby, basketball, soccer , cricket, tennis, and volleyball. Many countries in Europe, for instance, have unique standard decks of playing cards. Other games such as chess may be traced primarily through the development and evolution of its game pieces. These engines can be augmented with specialized engines for specific features, such as a physics engine that simulates the physics of objects in real-time. A variety of middleware exists to help developers to access other features, such as for playback of vid...

Mahjong is another game very similar to Rummy that uses a set of tiles with card-like values and art. Games can take a variety of forms, from competitive sports to board games and video games. A multiplayer game is a game of several players who may be independent opponents or teams. The industry itself grew out from both the United States and Japan in the 1970s and 1980s before having a larger worldwide contribution. Today, the video game industry is predominately led by major companies in North America , Western Europe, and southeast Asia including Japan, South Korea, and China. The gameplay experience varies radically between video games, but many common elements exist. Most games will launch into a title screen and give the player a chance to review options such as the number of players before starting a game. Some simpler browser games appeal to more casual gaming demographic groups that otherwise play very few video games. Games are sometimes played purely for enjoyment, somet...

Rules generally determine the time-keeping system, the rights and responsibilities of the players, scoring techniques, preset boundaries , and each player's goals. Games such as hide-and-seek or tag do not use any obvious tool; rather, their interactivity is defined by the environment. Games with the same or similar rules may have different gameplay if the environment is altered. For example, hide-and-seek in a school building differs from the same game in a park; an auto race can be radically different depending on the track or street course, even with the same cars. A token may be a pawn on a board, play money, or an intangible item such as a point scored. Attempts to mandate video games ratings in the U.S. subsequently led to the landmark Supreme Court case, Brown v. Entertainment Merchants Association in 2011 which ruled video games were a protected form of art, a key victory for the video game industry. The lack of any industry definition for a video game by 2021 was an iss...