Castle Smash is a physics puzzle built on one honest promise: everything you knock over is really being simulated. A heavy iron ball, real momentum, friction, and toppling do the work, so stones grip under load, barrels roll off with their cargo, clay jars pop, and tin cans go flying. Candy crates burst into gold, and big cascades pay out combo coins — which is exactly the kind of chain you'll start setting up on purpose.

Aiming is tactile. Tap to fire, hold for rapid fire, or drag while holding to sweep the cannon across a stack; on desktop the arrow keys aim and Space fires, with R to reset a shot that went sideways. Because nothing is faked, the satisfying part is reading the pile — where the load-bearing block is, which way a barrel will roll — before you commit.

There's real runway here too: 10 handcrafted tutorials ease you in, then 60 machine-tested levels sorted by measured difficulty keep the ramp fair. It's a free browser puzzle that works on either mouse or touch, and if demolition-by-physics is your thing, more puzzle games are one tap away.