- For the international version of the level, see Frostbite Caves - Day 15.
- For the version after the v1.8 update, see Frostbite Caves - Day 15 (Chinese version).
Frostbite Caves - Day 15 was the 15th level of Frostbite Caves in the Chinese version of Plants vs. Zombies 2. It was a Special Delivery level. It also marked the first encounter with both Ski Zombie and Walrus Zombie. The difficulty depended on the level of the plants given. When this level was finished for the first time, the player got a Stunion Puzzle Piece.
- * A gate can be unlocked with a key after completing this level
^ Conjectural name