Plants vs zombies

Plants vs zombie is a tower defense game made by pop cap.

Game play
The main point of the game play is to prevent the zombies from getting to the base using plants to defeat them. You produce money with the sunflowers to purchase more plants to stop the zombies. There are also boss fights as well with big zombies.

Other games
They had once had a crossover with Angry birds in one game.

They also had a sequal called plants vs zombies 2 as well.