Plants vs Zombies for the Nintendo DS is a tower defense strategy game where players defend their home from an onslaught of quirky zombies using a variety of defensive plants. Each plant has unique offensive or protective capabilities, and players must strategically place these plants across the yard to repel wave after wave of zombies with different abilities and weaknesses. The goal is to prevent the zombies from reaching the house across various levels and game modes. With its charming graphics and addictive gameplay, it's a whimsical spin on the strategy genre.