- For the level after the v1.8 update, see Sky City - Day 20.
Sky City - Day 20 was the 20th level of Sky City in the Chinese version of Plants vs. Zombies 2. When this level was finished for the first time, the player received a star, despite it being a regular level.
- Dangerous zombies such as Missile Zombies, Double-Cabin Aircraft Zombies, and Flying Gargantuars can heavily damage the player's ship, so it is recommended to have a strong defense.
- * A gate can be unlocked with a key after completing this level
^ Conjectural name
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