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In the game industry, shortened form of the word 'transport', that is when a game is transported from one platform to another.
As opposed to a remake which often involves adding many features or redesigning a game from a basic level, a port is a version of a game which, aside from its new platform and minor performance and bug issues which may arise as a result is virtually identical to the original. Usually made distinct from a simultaneous release, especially when a game's financial success is what allows or motivates it to be ported.