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Typical of most two-dimensional platform games, the player can make the boy run left or right on the screen, jump, climb up short ledges or up and down ladders and ropes, and push or pull objects. The player controls the boy for the entirety of Limbo. Upon his approach, she stands up, startled the game abruptly ends on this point. The boy continues traveling further until he encounters a girl. On completion of the final puzzle, the boy is thrown through a pane of glass, ending up in the forest again. The forest eventually gives way to a dilapidated city environment. Once during the journey, the boy catches a glimpse of a female character, but she vanishes before he can reach her. During the journey, the boy encounters only a few additional human characters that either attack or run away from him. The primary character in Limbo is a nameless boy who awakens in the middle of a forest on the "edge of hell" (the game's title is taken from the Latin limbus, meaning "edge") who then begins to seek out his missing sister.
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Prior to its release, the title won two Independent Games Festival awards, and following release, had strong sales compared to other Xbox Live titles. However, some reviews proposed that Limbo had an ideal length. A common point of criticism from many reviewers was that the high cost of the game relative to its short length might deter players from purchasing the title. Limbo received mixed reviews for its minimal story some critics found the open-ended work to have deeper meaning that tied well with the game's mechanics, while others felt the lack of any significant plot and abrupt ending detracted from the game. Reviewers classified Limbo as an example of "video game as art" based on its aesthetics. Journalists praised the dark presentation, calling the work comparable to film noir and German expressionism.
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The game is presented primarily in monochromatic black-and-white tones utilising lighting, film grain effects and minimal ambient sounds to create an eerie atmosphere similar to the horror genre. The developers built the game's puzzles expecting the player to fail several times before coming upon the correct solution Playdead called the style of play "trial and death", and used visually gruesome imagery for the boy's deaths to steer the player from unworkable solutions. Limbo is a 2D sidescroller, incorporating a physics system that governs environmental objects and the player character, challenging the player to guide an unnamed boy through dangerous environments and avoid traps while searching for the boy's sister. The game was released on 21 July 2010 on Xbox Live Arcade. Limbo is a puzzle- platform video game and the premiere title of independent Danish developer Playdead Studios.
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