Plants vs. Zombies is a game by PopCap in which you have to plant various species of flowers in your garden to keep the zombies at bay. Whether you're. Plants Vs. Zombies Games: Grow plants to protect your home in one of our many free, online Plants vs. Zombies games! Pick A Free Game, and Have Fun!. A mob of fun-loving zombies is about to invade your home, and your only defense is an arsenal of 49 zombie -zapping plants. Use Peashooters, Wall-nuts.