- For the international version of the level, see Far Future - Day 21.
- For the level before the v1.8 update, see Far Future - Day 21 (Chinese version: pre-1.8).
Far Future - Day 21 is the 21st level of Far Future in the Chinese version of Plants vs. Zombies 2. In this level, the player must produce at least 5000 sun and never have more than 16 plants. After completing this level, the player receives a money bag.
- The small number next to the zombie icon means that zombie will always appear in that lane, with 1 being the topmost lane and 5 being the bottommost one.
|Waves||Non-dynamic zombies||Ambush zombies||Note(s)|
|4||None||Carries 1x Plant Food.|
|5||None||Carries 1x Plant Food.|
|6||None||Carries 1x Plant Food.|
|7|| First flag.|
|8||None||Carries 1x Plant Food.|
|9||1 5 3||None|
|11||1 2 3 4 5||None||Carries 1x Plant Food.|
|13||2||None||Carries 1x Plant Food.|
|14||1 2 4 5 2 4 3|| Final wave.|