Each world features unique environmental mechanics and specialized zombies:

Players can collect seed packets to permanently upgrade their plants, increasing damage, health, or lowering sun costs. The World-Hopping Adventure

is the time-traveling sequel to the original tower defense classic, moving the battle for your brain from the front yard to a journey across history. Core Gameplay & New Mechanics

The fundamental loop remains: plant a variety of horticultural defenses to stop waves of "hilarious" zombies. However, this sequel introduces several key upgrades:

Interactive gestures (Pinch, Toss, and Zap) that allow you to directly intervene and clear zombies from the lawn using coins.