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Mortal Sin is a video game for the portable console EXsorbeo, mentioned in Grand Theft Auto: San Andreas. The game is advertised on the EXsorbeo official site. Nothing is known about its genre or gameplay, but judging by its name and slogan "The game they tried to ban", it is probably based on the famous game series Mortal Kombat, the first to receive a mature rating due to the controversy related to its extremely violent content.