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Undertow Undertow
Defeat 10 zombies with Tangle Kelp in a single level

Difficulty: Very easy

Undertow is an achievement in Plants vs. Zombies 2. It requires the player to kill ten zombies with Tangle Kelps. It is worth 10 points on Game Center for iOS devices and 1,000 XP on Google Play Games for Android devices.


The word "Undertow" means the steady current, below the splash zone, moving offshore for waves approaching a shore.


Main article: Big Wave Beach - Day 5

Day 5 practically cannot be beaten without earning this achievement. The same applies to the achievement Banana Storm. The full article about Day 5 is recommended to be read.

If you do not want to use Day 5, you can also feed Plant Food on a Tangle Kelp three times.

See also

Achievements in Plants vs. Zombies 2
Player's House Off the Green
Ancient Egypt King Nut · Nut Un-Common · Sun Catcher · No Smoking · A-noob-is
Pirate Seas Yarr, Matey · Pirate Booty · Pat the Birdy · Broadside · Mutiny
Wild West Giddyup! · Yee-Haw! · Shell on Wheels · Fried Chicken · Pod Squad
Far Future Prime Mover · Drop the Boss · The Jettisons · Sun Damaged · Tile Denial
Dark Ages Hammer Time · Out of Darkness · All in Jest · Not Baaad
Big Wave Beach Big Kahunka · Wave Goodbye · Undertow · Fly Fishing Fail · Banana Storm
Frostbite Caves Barrage a Trois · Meltdown! · So Thawful · Iceblockade · Run Weasley
Lost City Porter Thwarter · Lost and Found · Shovel Off · Spawn Camping · Ragweeds to Riches
Neon Mixtape Tour Volume to Sixteen · Drop The Mic · Head Banger · Back From The Future 3 · Breaking It Off
Jurassic Marsh Martial Marsh Master · Meteor, Right? · Dinos Sore · Terror Redactyled · Hungry, Hungry Dinos
Modern Day Great Gargling Gargantuars · Present Perfect, Future Tense · Hot Off the Presses · Time Traveler · You're an All-Star?

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