 Near the release of the United States ( US ) Windows version of the game , Planet Moon failed to obtain a " Teen " rating from the ESRB despite changing the original red blood to green and covering Delphi 's <unk> with a bikini top . They made the changes to broaden retail opportunities because many large retailers in the US refused to sell " Mature " -rated games ; Wal @-@ Mart reiterated in October 2002 that they would never stock their shelves with software that contained vulgarity or nudity . Planet Moon Studios later released a patch that reverted the color of the blood to red , and computer gamers found they could restore Delphi 's <unk> by deleting a file . 
