Many players mistakenly believe the Day One Edition includes the full story DLC, (which adds the flooded city arena, challenging battles, and the “become as gods” costumes). This is false.
. Released in March 2017 for PlayStation 4 and PC, this edition was designed for early adopters and featured exclusive digital content and physical packaging. Exclusive Day One Contents NieR-Automata Day One Edition Version
For new players, the NieR: Automata Game of the Year Edition (YoRHa Edition) is the definitive version. It includes all DLC on the disc, the Day One bonuses are irrelevant, and it’s often priced the same as the standard edition. Many players mistakenly believe the Day One Edition