These alphanumeric strings serve as keys to unlock various in-game items, characters, customizations, and other digital content within the Plants vs. Zombies: Garden Warfare 2 video game. An example would be a code providing access to a limited-edition character variant or a pack of in-game currency.
Their significance lies in enhancing the player experience by offering exclusive content not typically available through regular gameplay. This exclusivity can contribute to a sense of achievement and personalization. Historically, such codes have been distributed through promotions, partnerships, special events, and as rewards within the gaming community.