"Build 5 Cob Cannons in a single level."@en . "Defcorn 5"@en . . . . . . "Defcorn 5 is an achievement that can be unlocked on the iOS, Android, Nook, PlayStation 3, Xbox 360, and PlayStation Vita versions of Plants vs. Zombies. In order to complete it, the player must have five Cob Cannons in a single level."@en . . . . . . "Defcorn 5 is an achievement that can be unlocked on the iOS, Android, Nook, PlayStation 3, Xbox 360, and PlayStation Vita versions of Plants vs. Zombies. In order to complete it, the player must have five Cob Cannons in a single level."@en . . . . . . "Very hard"@en . . .