Game37.net offers the game “Plants vs. Zombies 2” for free. It is a flash-based game that requires only the computer mouse to play. It is the second game in the "Plants vs. Zombies" series.
"Plants vs. Zombies 2" is a type of puzzle game known as a tower defense game. The object of the game is for the player to choose certain plants with specific characteristics to stop the zombies' attack. The player selects plants with the mouse and puts them in the right order on the stage where the sun can hit the plants just right. This helps the plants guard against the onslaught of zombie attacks.