Marble Sort Level 55 Walkthrough Solution | Marble Sort 55

Marble Sort Level 55 Guide: The Center-Cut Pyramid and Arrow Box Trap

Getting stuck on Marble Sort Level 55 is entirely normal. The game throws a massive visual trap at you right from the start. You drop in and see a towering pyramid of marbles, but the outer edges are completely locked down.

The dominant colors you need to worry about early are Brown, Yellow, and Green. The Top Tray is shaped like a steep pyramid, and the outer columns are stacked entirely with Arrow Boxes pointing straight up. Below, the front row of your bottom Boxes demands Brown, Yellow, Yellow, and White.

The obstacle that dictates this entire level is the Arrow Box mechanic. An Arrow Box can only be activated after the box it points to is dropped down. Because the bottom-edge arrows point UP, they are literal dead weight. They block the bottom, but you cannot click them until the boxes above them are cleared. To beat Marble Sort 55, you have to ignore the edges entirely and hollow out the center columns to attack the outer walls from the inside.

The Inner Flank Pattern in Marble Sort Level 55

To solve this board, you need to read the grid exactly as it sits. The Top Tray is split into five columns.

The far-left column is pure bait: a Brown Arrow Box, a Pink Arrow Box, and a Green Arrow Box, all pointing up and capped by a Mystery Box. The far-right column is exactly the same trap: Light Pink, Light Blue, and Hot Pink Arrow Boxes pointing up. Do not touch these outer columns. Clicking them will just rattle the board and do nothing.

Your only lifeline in Marble Sort Level 55 is the center three columns. Look at the bottom row of the Top Tray. You have a solid Green Box, a solid Brown Box, and a solid Light Pink Box. Above the Brown and Light Pink sit two solid Yellow Boxes. Above the Yellows, you have an Orange Arrow Box and a White Box.

Everything above this middle section is a solid roof of Mystery Boxes.

The bottom Boxes control the pace. Left to right, the front row wants Brown, Yellow, Yellow, and White. Behind them, the second layer demands Yellow, Green, Green, and Brown.

The biggest risk on this board is the Conveyor Belt. You only have a few slots. If you try to force colors that do not have an active bottom Box—like the Light Pink or the Green early on—you will clog the Conveyor Belt. You have to play front-to-back, clearing the center out to expose the inner flanks of those locked outer columns.

Marble Sort Level 55 Step-by-Step Walkthrough

Follow this release order to keep the Conveyor Belt clean and break the center pyramid.

Cracking the Center Columns in Marble Sort Level 55

Your first taps must perfectly match the demands of the front row of bottom Boxes.

1. Clear the Brown Box: Tap the solid Brown Box in the bottom-middle of the Top Tray. It will drop and instantly clear the far-left bottom Box.
2. Stage the Light Pink: You need access to the Yellow marbles, but the Light Pink Box is in the way. Tap the Light Pink Box. It will drop and sit safely on the Conveyor Belt. Do not panic; this is a necessary hold.
3. Double Drop the Yellows: With the Light Pink out of the way, the two solid Yellow Boxes in the center are exposed. Tap both of them. They will drop and instantly clear the two center bottom Boxes.
4. Clear the White Box: Removing the right-side Yellow exposed a solid White Box. Tap it. It drops into the far-right bottom Box and clears it.
5. Watch the Board Shift: You just cleared the entire first row of bottom Boxes. The lower tray will shift forward, revealing a heavy demand for Green and more Yellow.

Flanking the Arrow Boxes in Marble Sort Level 55

This is where the midgame gets dangerous. The Mystery Boxes are starting to drop into reach, and the outer edges are still locked.

6. Clear the Greens: Look at the second column from the left. There are two solid Green Boxes stacked on top of each other. The newly shifted bottom Boxes want Green. Tap both of them to clear them out.
7. Unlock the Left Arrow Box: By clearing the Green columns, you just exposed the side of the Mystery Box sitting above the far-left Arrow Boxes. Tap that Mystery Box. Because you removed the box above the Green Arrow Box, that arrow is now unlocked and playable.
8. Clear the Orange Arrow Box: In the dead center, the Orange Arrow Box points up at a Mystery Box. Leave the Orange arrow alone for a second. Tap the Mystery Box above it first. Once that clears, the Orange Arrow Box activates.
9. Manage the Conveyor Belt: You will start revealing random colors from the top Mystery Boxes. Only drop a mystery color to the Conveyor Belt if you already have a matching bottom Box waiting for it, or if you have at least three empty slots to absorb a bad pull.

Cleaning up the Mystery Peak in Marble Sort Level 55

Once the center is completely hollowed out, the top of the pyramid collapses inward.

10. Unlock the Right Side: Repeat the flanking maneuver on the right column. Clear the Mystery Box sitting above the Hot Pink Arrow Box. This unlocks the entire right edge.
11. Drop the Hot Pinks: The bottom Boxes will now shift to show Hot Pink and Light Pink demands. Tap the newly unlocked Hot Pink and Light Pink Arrow Boxes on the edges.
12. Clear the Final Peak: The last few Mystery Boxes at the very top will drop down. Since your Conveyor Belt should be mostly empty from the fast middle clears, you can safely tap the remaining Mystery Boxes to fill the final bottom Boxes and finish the board.