Grand Theft Auto: Chinatown Wars is a popular action-adventure game developed by Rockstar Leeds and published by Rockstar Games. The game was initially released in 2009 for the Nintendo DS and later ported to other platforms, including the PlayStation Portable, iOS, Android, and Nintendo 3DS. In this guide, we'll focus on the Nintendo 3DS version and explore how to obtain and use a QR code to acquire in-game content in 2021.