- For the international version of the level, see Frostbite Caves - Day 20.
- For the version after the v1.8 update, see Frostbite Caves - Day 20 (Chinese version).
Frostbite Caves - Day 20 was the 20th level of Frostbite Caves in the Chinese version of Plants vs. Zombies 2. It was a It's Raining Seeds level. When this level was finished for the first time, the player unlocked the It's Raining Seeds Brain Buster set of levels.
- It is the only level other than the boss level where the ice floes are not present.
- * A gate can be unlocked with a key after completing this level
^ Conjectural name