Plants vs. Zombies 2 is a tower defense game where players must use an array of plants to defend their home against a horde of zombies. The game features various levels set in different time periods, each with its own unique challenges and plants to unlock. Players must strategically place their plants to fend off the waves of zombies, using a combination of offensive and defensive tactics. With colorful graphics and addictive gameplay, Plants vs. Zombies 2 offers hours of fun for players of all ages.