In both the Bible and the Epic of Gilgamesh the God or Gods create a flood to destroy mankind. In Gilgamesh,the Gods decide something needs to be done because the humans are being loud and disturbing the Gods. In the Bible's version of the flood story, God regrets creating mankind because the humans have become evil God chooses Noah and his family to start a new beginning.

In the Bible God becomes regretful of creating mankind because he sees that they are wicked and they only have evil thoughts. The Lord decides, he "will destroy human beings I made on earth. And I will destroy every animal and everything that crawls on the earth. I will also destroy the birds of the air." (Genesis 6:7) After God makes his decision to create a great flood he chooses Noah to build an ark to save his...