The NieR Series is a collection of action role-playing video games developed by PlatinumGames and published by Square Enix. It began with the release of NieR in 2010, which is a spin-off of the Drakengard series. The games are known for their deep narratives, complex characters, and unique gameplay mechanics that blend combat with exploration and puzzle-solving. The most notable entries include NieR: Automata, released in 2017, which received critical acclaim for its storytelling and philosophical themes. The series often explores themes of identity, existentialism, and the nature of humanity, making it a thought-provoking experience for players.