The City of Antlantis

The City Of Atlantis is the 13th world in Plants vs. Zombies 2, and is centered around the Lost City of Atlantis

Desc.
''Swim with the Zombies in the City of Atlantis! Splish Splash your way through Undersea Levels, and use those new Plants! Or you will meet your Watery Grave!''

Main Gimmic
The lawn is aways Underwater, so you can not plant plants manually, or they will shrivel up and die, so you must use Bubble Bulbs to be able to plant plants underwater.

Torpedo Time!
You control 5 Bananna Launchers inside bubble Bulbs, where you must destroy Zombies by launching  there Banannas at them, you also have a Conveyer Belt, which gives you Bubble Bulbs, Wall-Nuts, Stallias, and Cool-Mints to stall zombies to  make your Bannana Laucnchers Reload

Zombot Octo-Machine 9000
This is the boss battle of this world, unlike other Zombots, it does not have a rush attack, it spawns in All Zombies you've seen in the City of atlantis, and smooshes plant with it's tentcles, and also uses it's tentacles as walls to defend fellow zombies, which, of course, can be destroyed, but will soon grow back

Trivia

 * This is the second World to be Water-Based, the first was Big Wave Beach

Day 1
"Penny, where are we? It smells fishy under here!"

"We are in the Lost City of Atlantis, which sunk underwater millions of years ago underwater"

"Ooh, Underwater, you say? Do we get to use those Lily-Pads again?"

"I'm afraid not, we are just to deep underwater to use them, however, we can use Bubble Bulbs to make plants handle our Underwater Circumstances"

"Well, Lilly-pads or not, zombies are still about! Let's go!"