"Plants vs. Zombies" is a charming and strategic tower defense game. The premise is simple: a homeowner must use a variety of garden plants to defend their house from a horde of hilarious and determined zombies. Each plant has a unique ability, from the pea-shooting Peashooter to the explosive Cherry Bomb, and you have to strategically place them on a grid to fend off the zombie invaders. The game is praised for its simple yet addictive gameplay, creative character designs, and witty humor. It's a fun and engaging game that has captured the hearts of millions of players worldwide.