Deep Freeze is a conveyer-belt minigame that takes place in night. Here, you can only use plants based on ice, such as the Snow Pea. There are three flags. No graves appear.
Plants[]
Snow Pea: Common
Iceberg Lettcue: Common
Winter Melon: Rare
Ice-shroom: Rare
Zombies[]
Zombie: Common
Flag Zombie: Every flag
Conehead Zombie: Common
Buckethead Zombie: Uncommon
Football Zombie: Rare
Jack in the box Zombie: Once
Trivia[]
- This is the second Conveyer-belt level added here.