Plain gameplay mechanics involve dragging plants and tapping to fire. i find the physics are wonky which makes planting unpredictable and sometimes frustrating.
Tap and drag plants into position, and tap to fire.
The controls are dragging plants and tapping to fire. The features include wonky physics and resource management.
Most players discover that stacking plants gives extra firepower. Conserve resources early on to focus on big threats.
Q: What are the controls? A: Dragging plants and tapping to fire.
Q: What is the objective? A: Not stated.
Q: What is a stated feature? A: Wonky physics.
Q: What is the main mechanic? A: Dragging plants and tapping to fire.