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The graphics were improved dramatically due to the platform change.
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Since the GameCube made use of a disc-based media, the programmers were forced to rely on clever programming methods to shorten the loading times. However, production of the game shifted from the Nintendo 64 to the GameCube as a result of the transition to sixth generation consoles. It was believed by the developers that the N64’s cartridge-based media would be more capable in handling the item dropping and partner zapping systems proposed for the game than the disc-based media used by the PlayStation and Dreamcast, due to the lack of loading times. Zero was first unveiled during the Tokyo Game Show in 2000. As the title suggests, the plot was developed on the events that brought the team the first Resident Evil BRAVO Team to disperse in the famous villa. Bio Hazard Zero was going to be the first title of the saga of Resident Evil to appear exclusively on the Nintendo 64, after a perfect conversion of the second episode on cartridge (inclusive of all FMV).
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