Filler is back with enhanced graphics, enhanced physics, three issues, and 100 struggles to keep you occupied! Your objective stays the same: fulfill 2/3 of this amount to progress. For extra approach, play with the game on Normal and media room to suspend the balls set up.
Mouse down to make a horn ball. It'll continue to grow till it strikes a bouncy ball (ouch!) Or a different filler ball. Press space to suspend all of the bouncy balls (drains your suspend).

Mouse down to create a filler ball. It will continue to grow until it hits a bouncy ball (ouch!) or another filler ball. Press space to freeze all the bouncy balls (drains your freeze).