Name the pair
They both shoot normal peas and obtained in Day levels.
Peashooter and Repeater
Zombie
Level 1-1
This, too, is an I, Zombie level.
I, Zombie too.
The unused name and the name of an unused song of Plants vs. Zombies
Zombotany
The number of Plants AND Zombies in the Almanac combined.
75
They are the only single-use, instant shrooms
Ice-shroom and Doom-shoom
Zombie, Flag Zombie, Conehead Zombie, Buckethead Zombie
Level 1-8
This Vasebreaker level has no vases in the rightmost column.
To the Left
The Zombie that was meant to be an April Fool's joke but eventually got added into the game.
Zombie Yeti
The price of ALL the extra seed slots combined. (including the 10th)
105,750
They both come in a group of four.
Backup Dancer and Zombie Bobsled Team.
Zombie, Flag Zombie, Conehead Zombie, Gargantuar
Level 5-8
The first I,Zombie level to replace basic Zombie with Imp.
Three Hit Wonder
The name of the main programmer of Plants vs. Zombies.
Tod Semple
The price of the 6th Cob Cannon in Survival: Endless
750
They are the only shrooms to be unlocked in the Adventure mode, but NOT in Night levels.
Sea-shroom and Magnet-shroom
Zombie, Flag Zombie, Conehead Zombie, Buckethead Zombie, Ducky Tube Zombie, Balloon Zombie, Digger Zombie, Pogo Zombie
Level 4-10
The level's name is a reference to a novel series spanning seven books.
Scary Potter
An unused zombie that was replaced by Balloon Zombie in the final release.
Propeller Zombie
The total amount of all levels in Plants vs. Zombies, not counting hidden levels and the second adventure.
101
They cost the same amount of coins to purchase, but one of them only becomes available after beating the Adventure mode.
Cattail and Winter-melon
Zombie, Flag Zombie, Conehead Zombie, Football Zombie, Ducky Tube Zombie, Snorkel Zombie
Level 3-5
This level's name is a question.
Can You Dig It?
The music track which was originally meant for another game but George Fan asked for it to be used in Plants vs. Zombies.
Ultimate Battle
The health of Zombie, Conehead Zombie, and Buckethead Zombie, in peas shot.
10 (13.5), 28 (31.5), 65 (68.5)