: Special abilities like "Pinch" and "Toss" that allow players to interact directly with zombies for a coin cost .

: A powerful limited-use resource that triggers unique "ultimate" abilities for each plant (e.g., Peashooter firing a massive barrage of peas) .

The core mechanics remain faithful to the original—planting defenses on a five-row grid to stop incoming zombies—but introduce several new tactical layers :