Adam is a fictional character from the action role-playing game NieR:Automata, developed by PlatinumGames and published by Square Enix. He is one of the main antagonists and is portrayed as an android with a deep curiosity about humanity. Adam, along with his twin brother Eve, serves as a central figure in exploring themes of existentialism and the nature of consciousness. Throughout the game, Adam engages the protagonists with philosophical musings, ultimately seeking to understand the essence of human life, which leads to his confrontation with the game's protagonists.