Make an object leaving the layout reappear on the other side.
Detect objects in range, rotating towards them and firing.
Manage multiple timers which work per instance.
Make the object impassable, so other objects cannot move or fall through it.
Adjust an object's position, size, angle or other properties with an oscillating sine wave.
Make the object cast a shadow away from a Shadow Light object.
Make an object spin.
Jump and run along platforms (solid/jump-thru objects).
Stick to another object maintaining a relative distance and angle.
Simulate realistic object physics, powered by Box2D.