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The Great Wall of China - Day 20 is the twentieth level and fourth boss level of The Great Wall of China in Plants vs. Zombies: All Stars.


  • The boss' minions are Spear Thrower Zombies and Great Wall Catapult Zombies, which are strong ranged-attackers, so the player should kill one of them with Puff-shroom's skill to avoid losing their health.
  • The boss in this level is the War Chariot Zombie, who can use his skill to deal heavy damage to all plants. Upgrading the player's plants before playing this level is obviously needed. They player must be sure to protect their plants with Wall-nut's skill before it uses its skill.


The two small numbers next to the zombie icon means that zombie will appear there, with the small number on the left displays the lane that the zombie will appear, and the one on the right displays the column that the zombie will appear. If there's only one small number next to the zombie icon, then it means that that zombie appears at the beginning of the lawn, and at the lane that the number displays. Example: Basic Zombie23-5 means that a Basic Zombie will appear in the third lane, at the fifth column. Note that this only displays the position of the zombies that have the most chance to happen.
Waves Zombies Note(s)
1 Broadsword ZombieAS 1-6 Broadsword ZombieAS 3-6 Great Wall Conehead Zombie2 2-6 Spear Thrower ZombieAS 2-8 Spear Thrower ZombieAS 1-8 Spear Thrower ZombieAS 3-8 None
2 War Chariot ZombieAS Great Wall Catapult Zombie2 2-10 Spear Thrower ZombieAS 1-9 Spear Thrower ZombieAS 3-9 Final wave


  • It is recommended to put the Puff-shroom in the middle lane in order to kill the Great Wall Catapult Zombie in the last wave, or else the Sunflower will be highly damaged.
  • Do not use any plant's skill in the first wave.
  • Use the plants' skill when their anger is full during the second wave. You can freeze the boss before it uses its skill to prevent it from using its skill for 1 turn. After your plants are highly damaged, heal them with Sunflower's skill to heal them, prevents them from being killed. Before it uses its boss skill for the second time, use Wall-nut's skill to protect the plants.



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