How many balls does the Level 561 clear use?

It uses 17 of 24 balls and finishes with 7 remaining.

What should you hit first in Level 561?

Start on the upper-right brace and dark blue upright so the roof loses its first real support.

The roof keeps pressing onto the gold cylinders until both side braces are broken and the top can stack has dropped.

Smash Fest! level guide

hard Target: 17 moves 5 colors

Break the split side braces, drop the can roof into the orange cage, and finish the base with 17 fired balls.

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Break the upper-right orange brace and the right dark blue upright so the right edge of the roof starts sagging.
Hit the upper-left brace to loosen the other side of the white-and-blue roof.
Shoot through the middle orange shelf until the top can cluster drops into the center.
Pause for the falling roof blocks, dark blue pieces, and loose cans to stop bouncing.
Remove the remaining orange crossbars and exposed gold cylinders in the middle.
Clear the lower white-and-blue can row from the outer edges back toward the center.
Finish the last bullseye can, dark blue piece, and short orange plank; leave 7 balls.

Colors in this level:

Orange, Blue, White, Yellow, Gray

Drilling the middle orange bars before the side braces have released the roof.
Starting the lower base cleanup while the top can stack is still hanging from one side.

Board notes 5 details

Layout: A white-and-blue can roof sits on orange crate crossbars, two dark blue uprights, two gold center cylinders, and a short lower can base.
Goal: Collapse the top roof, strip the orange middle lattice, and remove the last cans and dark blue pieces from the base.
Opening: Open the upper-right brace first, then mirror the break on the left so the roof loses both side supports before you touch the base.
Danger Zone: Shooting the middle bars too early leaves the roof hanging above the gold cylinders and wastes cleanup shots.
Mechanics: A split-pillar roof collapse turns into orange-lattice cleanup once both side braces are gone.

How many balls does the Level 561 clear use?
It uses 17 of 24 balls and finishes with 7 remaining.
What should you hit first in Level 561?
Start on the upper-right brace and dark blue upright so the roof loses its first real support.
Why does the middle feel stubborn?
The roof keeps pressing onto the gold cylinders until both side braces are broken and the top can stack has dropped.