Marble Sort Level 637 Walkthrough Solution | Marble Sort 637

Marble Sort Level 637 Guide: The Arrow Box and Split-Color Trap

This board is a massive visual overload. You drop in and immediately face a chaotic grid packed with split-color marbles, directional blocks, and two numbered blue pipes choking the dead center. The dominant colors pushing back at you are blue, light blue, green, and yellow. You need all of them early.

The Top Tray is heavily gated. You cannot just pick a color and run with it. You are entirely at the mercy of the bottom row of textured, dotted blocks and the Arrow Box obstacles sitting right above them. The bottom Boxes are demanding Dark Blue, Light Blue, Green, and Yellow right out of the gate. If you grab the wrong split-color marble too early, your Conveyor Belt will jam before you even crack the middle of the board.

The Arrow Box chokehold in Marble Sort Level 637

Look at the exact layout of this board. It is designed to bait you into filling your Conveyor Belt with garbage.

The lowest row of the Top Tray consists of dotted panel blocks: a dark blue one on the far left, two yellow ones in the middle-left, and two light blue ones on the far right. Sitting directly on top of these are your first real obstacles. You have a white Arrow Box pointing left on the left side. You have a green Arrow Box curving left on the right side. Sandwiched between them in the center are two blue pipes, both branded with a number 3, trapping a split orange and light blue marble.

This setup dictates your entire opening. The front row of bottom Boxes requires Dark Blue, Light Blue, Green, and Yellow. Dark Blue and Light Blue are mostly safe to grab from those bottom outer edges. Green and Yellow are the problem.

The green and yellow marbles you need are buried higher up in the Top Tray. They are hiding behind that massive wall of split-color marbles—the blue/green, purple/yellow, and pink/orange pieces sitting in the fifth row up. Dead center in the board sits a yellow 4-way Arrow Box. This is the ultimate bait. Touching the center early or trying to force the split-color marbles down will instantly clog the Conveyor Belt. You have to play the outside edges first, slowly chipping away at the dotted blocks to give the Arrow Box obstacles room to drop.

Marble Sort Level 637 Step-by-Step Walkthrough

Follow this specific release order. Do not deviate to grab a color that looks convenient. You need precise Conveyor Belt management to survive the split-color wave.

Unlocking the outer columns in Marble Sort Level 637

Your very first taps must clear the corners. The center is a death trap until the outer columns fall.

1. Tap the dark blue dotted block on the bottom left. This drops into the front-left Dark Blue Box.
2. Tap the two light blue dotted blocks on the bottom right. Send them straight into the front Light Blue Box.
3. Grab the solid dark blue marble sitting on the left edge. Then grab the solid pink marble sitting on the bottom right edge. Hold them on the Conveyor Belt.
4. You now have room to trigger the white Arrow Box on the left. It needs the space beneath it cleared to activate.
5. Trigger the green curving Arrow Box on the right.
6. With the edges dropping, you finally have a clear shot at the yellow dotted blocks in the lower-middle. Tap them to feed the front Yellow Box.

Surviving the center pipes in Marble Sort Level 637

Once you clear those front Boxes, the board shifts. The second layer of bottom Boxes slides in. Now you need Green, Pink, and more Light Blue. The center of the Top Tray is finally vulnerable, but it is incredibly dangerous.

7. Tap the two blue pipes marked with a 3. They will begin dispensing their locked marbles. Count what comes out and do not let them overflow your Conveyor Belt.
8. Look at the fifth row of the Top Tray. You have a row of nasty split-color pieces: blue/green, purple/yellow, and pink/orange.
9. Only release the blue/green split marble if your Green Box is currently active and waiting. The blue half will sit on the belt.
10. Release the pink/orange split marble to feed the active Pink Box. Leave the orange half on the belt for now.
11. Drop the solid green and solid orange marbles from the fourth row to match with the split halves you just left on the Conveyor Belt. This prevents a fatal jam.

Clearing the 4-way Arrow Box in Marble Sort Level 637

The endgame relies on untangling the very top of the board without panicking.

12. Now that the lower half is hollowed out, trigger the yellow 4-way Arrow Box in the center. It will drop and shift the surrounding pieces.
13. Grab the solid light blue and green marbles flanking the center.
14. Match the split purple/green piece located near the top. Ensure a Purple Box has cycled to the front before you pull this piece.
15. Finish off the top row. Drop the final split orange/dark blue and split light blue/pink pieces to clear the remaining bottom Boxes and complete the level.