Resident Evil 0 is the prequel of the first Resident Evil. It was originally developed by Capcom for the Nintendo 64, but at the end it was ported and released on the Gamecube. In October 2009, Tyrant of resident-evil-beta.de discovered many beta backgrounds and some removed items in the trial disc of the game.
Also, Trebla Yevrah noticed other unused items in the japanese trial version:
If one has the proper tools available, they can view many unused and early versions of items in the Japanese demo of Resident Evil 0. Using GCNrd, I modified the item slots and browsed through the values. As one would expect, most of the items that can be uncovered cannot be obtained ordinarily in the demo, but the majority of them are found in the finished product.
An unused hand grenade is present in both the trial and the final version of RE0. I was curious to see the state of this item in this early version of the game, but although the model and icon are still present, it cannot be equipped (like the released game). Actually, almost all weapons are unusable in the trial if you hack them into your inventory. The only ones operational are the handguns, knife, and hunting gun. The only exception, or at least, the only other equip that won’t freeze the game, is the shotgun. Your characters can hold it, but the weapon model itself is unfinished with no textures to speak of, and it cannot be fired.
Almost every item that can be examined has a slightly different texture when compared to the final game. One prime example is the key card used to operate the brakes on the train. I have tried using some of the key items in their proper place on the train, but they either don’t work, or freeze the game. For example, the hook shot can’t be used in the window that normally leads to the roof.
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