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 # PythonPlantsVsZombies
 a simple PlantsVsZombies game
-* implement plants: sunflower, peashooter, wallnut, snowpeashooter, cherrybomb
+* implement plants: sunflower, peashooter, wallnut, snowpeashooter, cherrybomb, threepeashooter
 * implement zombies: zombie, flagzombie, coneheadzombie, bucketheadzombie
 * use json file to store level data (e.g.position and time of zombies, background info)