Plants vs. Zombies: Lacking Chlorophyll

Plants vs. Zombies: Lacking Chlorophyll is a sequel to Plants vs. Zombies 2: It's About Time. It has familiar gameplay to Plants vs. Zombies and Plants vs. Zombies 2, it contains a story mode, which is simply an adventure mode, a minigame section and more.

The game is currently in it's BETA stages and is only available as a demo, for now.

note: this game isn't supposed to be educational it isn't supposed to make sense and isn't made you to learn what is chlorophyll, photosynthesis and other stuff

Plot
The plot is about Dr. Zomboss taking up revenge once again, this time he decides to suck up all of the chlorophyll , making most of the plants weaker, losing their color, making getting past player's defense al lot easier for zombies. But you as the player, and Crazy Dave also, decide to strike and fight Zomboss.