It took the game almost six years to take this mark. The worldwide release of NieR: Automata took place in March 2017.
Information about the success of NieR: Automata appeared on the official Twitter account of the NieR series. There, the developers also boasted about the performance of another part of the franchise — NieR Replicant ver.1.22474487139 … It has sold 1.5 million copies since April 2021.