How many balls does the Level 588 clear use?

The recorded clear spends 18 of 27 balls and leaves 9 remaining.

Which side should open first on Level 588?

Open the upper-right wing first, just below the tallest spire.

If the fall stalls, the late survivor is usually the blue square block on the far left with a few low cylinders nearby.

Smash Fest! level guide

expert Target: 18 moves 6 colors

Spill the upper-right wing of this V-shaped crown and finish the low survivors in 18 shots.

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Break the upper-right outer wedge just below the tallest right spire.
Fire again into that same right shoulder so the right wing spills inward and exposes the brown posts.
Pause while the right avalanche strips part of the central V ridge and drops the long white ramp pieces into the middle.
Hit the weakened center-right ridge so the left half loses balance and starts falling across the platform.
Clean the remaining left spires and middle debris until only one blue square block and a few short cylinders are still sitting low on the board.
Remove the last blue square block on the far left and the final low cylinders; leave 9 balls.

Colors in this level:

Cyan, Violet, Purple, White, Blue, Brown

Start from the upper-right outer wedge, not the center notch.
Wait for the right avalanche to strip the ridge before spending the next shot.
Expect a late blue square block on the far left if the collapse does not fully finish itself.

Board notes 5 details

Layout: A mirrored V-shaped crown of cyan-and-violet spires sits above brown posts and white-blue footers, with the two outer wings leaning toward a shallow center notch and a stubborn blue square block surviving low on the far left.
Goal: Tip one outer wing so the V ridge loses balance, then topple the opposite side and remove the last low blue square block plus a few short cylinders.
Opening: Attack the upper-right outer wedge below the tallest spire before aiming at the center notch or the brown posts.
Danger Zone: Center-notch shots are weak while both outer wings still stand, and the low brown posts are not worth targeting before the right avalanche has started.
Mechanics: A mirrored V-wing avalanche where one outer shoulder has to open first so the center ridge and the opposite wing stop bracing each other.

How many balls does the Level 588 clear use?
The recorded clear spends 18 of 27 balls and leaves 9 remaining.
Which side should open first on Level 588?
Open the upper-right wing first, just below the tallest spire.
What is the usual late survivor on this board?
If the fall stalls, the late survivor is usually the blue square block on the far left with a few low cylinders nearby.