Performances
There are less particles, but honestly, it isn't visible on the screen. And the particles will adapt more aggressively to the number of fps
Better graphics
The colors are reordered, it should be easier to understand.
The blocs have the number of hp on them.
The pieces of blocks emit some light when they explode.
Easier to read
Less particles, and when there are a lot of explosions, the pieces of blocs when pop out a lot faster to clear the screen.
Paddle
The paddle takes into account the angle of the ball