NieR:Automata Unlocking Chapter Select + Debug Mode Cheat Code

Pre-Requisites

Start a New Game and Play until Defeating the Big Machine Arm or

Choose chapter 01-02_3: 2B Inside the Factory

Position 2B between these barrels after cutscene with 9S (Do not go through the door yet)

Hold R2

Press on your controller: Up, Down, Up, Right, Left, X, B, Y, A

Lance McDonald on YouTube

Source: https://steamcommunity.com/sharedfiles/filedetails/?id=2349497353