Plain physics are a key part of the game where the walls fall in wonky ways. i see the grimace character can click to accelerate and the walls break in a mess.
Clicking is how you break the walls, and the grimace character moves around.
The controls are simple, you just move and click. The walls can be stubborn or easy to break and the physics seem rigged sometimes.
Quick taps are better then relentless smashing to break the walls faster. Most of the time the physics are wonky so you need patience.
Q: What are the controls? A: You move and click to accelerate.
Q: What is the objective? A: Break the walls and make them fall.
Q: Are there any stated features? A: Not stated.
Q: What is the main mechanic? A: Clicking to accelerate and break walls.
Click to accelerate the grimace character and smash the walls, physics feel rigged and the walls fall in wonky ways, I think the chaos is fun. Wall Breaker 3D lets you break everything with messy physics and stubborn walls.