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''2048'' is a single-player puzzle game created in March 2014 by 19-year-old Italian web developer Gabriele Cirulli, in which the objective is to slide numbered tiles on a grid to combine them and create a tile with the number 2048. It is a type of sliding block puzzle, and is very similar to the ''Threes'' app released a month earlier. Cirulli created the game in a single weekend as a test to see if he could program a game from scratch,〔 describing it as a clone of Veewo Studios' app ''1024'' and getting the idea from Sami Romdhana's clone ''2048'',〔 and was surprised when his game received over 4 million visitors in less than a week, especially since it was just a weekend project. "It was a way to pass the time", he said. The game is free to play, Cirulli having said that he was unwilling to make money from "something that () didn’t invent". He released a free app version of the game for iOS and Android in May 2014. ''2048'' became a viral hit. The game has been described by the ''Wall Street Journal'' as "almost like ''Candy Crush'' for math geeks", and ''Business Insider'' called it "''Threes'' on steroids".〔 Due to the popularity of ''2048'', it is sometimes claimed that ''Threes!'' is a clone of it, rather than the other way around. The fact that the game runs on open-source code has led to many additions to the original game, including a score leaderboard and improved touchscreen playability.〔 Spinoffs have been released online, as apps and for the Nintendo 3DS, and include versions with elements from Doge, ''Doctor Who'', ''Flappy Bird'' and ''Tetris''; there has also been a 3D version〔 and ones with bigger or smaller grids. Cirulli sees these as "part of the beauty of open source software"〔 and does not object to them "as long as they add new, creative modifications to the game". In 2014, an unofficial clone of the game was published in the iOS app store by Ketchapp, monetized with advertising.〔(【引用サイトリンク】title=The Messy Story Behind A Game Clone )〕 == Gameplay == ''2048'' is played on a gray 4×4 grid, with numbered tiles that slide smoothly when a player moves them using the four arrow keys.〔 Every turn, a new tile will randomly appear in an empty spot on the board with a value of either 2 or 4.〔 Tiles slide as far as possible in the chosen direction until they are stopped by either another tile or the edge of the grid. If two tiles of the same number collide while moving, they will merge into a tile with the total value of the two tiles that collided.〔〔 The resulting tile cannot merge with another tile again in the same move. Higher-scoring tiles emit a soft glow.〔 A scoreboard on the upper-right keeps track of the user's score. The user's score starts at zero, and is incremented whenever two tiles combine, by the value of the new tile.〔 As with many arcade games, the user's best score is shown alongside the current score. The game is won when a tile with a value of 2048 appears on the board, hence the name of the game. After reaching the 2048 tile, players can continue to play (beyond the 2048 tile) to reach higher scores.〔 The maximum possible tile is 131,072 (or 217); the maximum possible score is 3,866,976; the maximum number of moves is 131,038. When the player has no legal moves (there are no empty spaces and no adjacent tiles with the same value), the game ends. The simple gameplay mechanics (just four directions) allowed it to be used in a promo video for the Myo gesture control armband, the availability of the code underneath allowed it to be used as a teaching aid for programming,〔 and the second-place winner of a coding contest at Matlab Central Exchange was an AI system that would play ''2048'' on its own.〔(【引用サイトリンク】 url=http://www.mathworks.in/matlabcentral/fileexchange/46483-2048-game-solver )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「2048 video game」の詳細全文を読む スポンサード リンク
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