This trophy is easily won on ZomBotany 1 using mushrooms and insta-kill plants. I planted sunflowers to quickly raise my sun level. After two or three flowers, I started to plant and wake up fume-shrooms and sun-shrooms. The peashooter zombies will shoot over these plants. I used insta-kill plants for the wall-nut zombies. If you have the imitator plant, use it on an insta-kill of your choice. Complete the level as normal.