Atplantis

''Take an underwater adventure into the submerged ruins of 1500BC and sink under the sea, not only must you fight of zombies, but battle the fierce oxygen-proof ocean, its truly deep sea extrodinary!

Atplantis is a world in Plants vs. Zombies 2: It's About Time.

The unique things in this world Is that the whole lawn is underwater, so normal plants like Peashooter cannot survive underwater. also submerged pillars spawn randomly on the lawn.like the pillars in Greek Empire, they can hold in alot of damage.

New Plants

 * Oxygen Algae-Oxgen Algaes create a Oxygen Atmosphere For Surrounding Plants.