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HD Imp Worker Wrench
They can be tough nuts to crack.
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Vanquish Gnomus, the Gnome King!

Difficulty: Somewhat hard

RGBY is an achievement in Plants vs. Zombies: Garden Warfare 2. To obtain this achievement, the player must vanquish Gnomus, the Gnome King.


  • RGBY is an acronym of "Red Green Blue Yellow," which is a reference to Sharp's Quattron LCD color display technology, or the order of the colors of the Microsoft Windows 3.x-7 logo.
  • Coincidentally, this achievement shares its name with a Customization for the Foot Soldier in Plants vs. Zombies: Garden Warfare.
  • This achievement has some part in a Legendary Hat for Citron, "RGBY Cats!".