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In a research outpost in Turkey, an ancient relic known as Noah’s Ark has been discovered, and ARCAM, the world’s most secret organization in charge of keeping world order, must protect the ark from the deranged forces of the US Machine Corps. Yu Ominae, ARCAM’S #1 Spriggan, is an elite secret operative with one mission: Stop the key to NOAH’S ARK from being used by Colonel Mac Dougall, a cybernetically enhanced child with psychokinetic powers. Noah will be your grave!