In the game Plants vs. Zombies, obtaining artifacts requires completing a series of specific tasks and challenges. Here are some common ways to obtain artifacts:
Complete Adventure Mode: By successfully completing levels and challenges in Adventure Mode, you can unlock new plants and items. Sometimes, by completing tasks under certain levels or conditions, you will have the opportunity to obtain artifacts.
Explore Hidden Levels: There are some hidden levels in the game, usually they need to be unlocked by completing certain conditions or finding a hidden entrance. In these hidden levels, you may find artifacts or quests to unlock them.
Participate in events: Developers often host various events, such as festivals or special events. Participate in these activities and complete related tasks, and you may receive unique artifact rewards.
Achievement system: There is usually an achievement system in the game. By completing various special achievements, you can get additional rewards, which may include artifacts.
Store Purchase: In the game, you can also purchase artifacts using in-game currency or real money. These artifacts often provide additional functionality or benefits, such as more powerful plants, special abilities, or items.