- For the international version of the level, see Frostbite Caves - Day 21.
- For the version after the v1.8 update, see Frostbite Caves - Day 21 (Chinese version).
Frostbite Caves - Day 21 was the 21st level of Frostbite Caves in the Chinese version of Plants vs. Zombies 2. Sloth Gargantuar made his first appearance here. After completing this level, the player received a money bag.
- This level is almost identical to its international counterpart, with the main difference being that this level isn't a Special Delivery level.
- * A gate can be unlocked with a key after completing this level
^ Conjectural name
Community content is available under CC-BY-SA unless otherwise noted.