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Marble Sort Level 371 Solution: Mystery Box Wall and Red Lock Trap

Easy-Medium ★★☆☆☆ ~28 moves

Screenshots

Marble Sort Level 371 screenshot 1Marble Sort Level 371 screenshot 2Marble Sort Level 371 screenshot 3Marble Sort Level 371 screenshot 4

Step-by-step solution

Quick answer
  1. 1) Open by tapping the two front-row center marbles, the purple and the pink, and drop them straight into the four active bottom boxes that demand two purple and two pink.
  2. 2) Once that front line clears, the center purple marble carrying the key lifts into view, so send it down first to free up the lower stacks.
  3. 3) Route those fresh purple marbles into the boxes behind the front line to chew through the second tier of your stack.
  4. 4) With the center key gone, the white marbles unlock, so feed them onto the belt and clear the left-side white box.
  5. 5) Tap the lowest gray Mystery Boxes to flip their colors, and only pull marbles that match an active bottom box; leave any yellow or red aside for now.
  6. 6) Travel the gray mass from its upper side toward the pink key, then claim it to expose one more tier in your stacks.
  7. 7) Dig through the top-left Mystery Boxes until the red key is free, then drop it to shatter the Lock-and-Key on the bottom right.
  8. 8) With the lock broken, the final yellow and red boxes go active, so drain whatever remains in the Top Tray to clear the board.

Level 371 Mystery Box Wall and Red Lock Trap

sphere Sort Level 371 sits some absolute trap if you click too fast.

one load on plus immediately spot one huge piece of gray question marks dominating the center.

This level forces one to manage a suffocating early game.

this dominant colors are purple, pink, and white.

this outer edges are loaded with orange marbles.

one also hold four scattered keys that one desperately need to collect.

here sits one crimson pass pinned over this upper west corner, one rose pass over this west edge, one violet pass blind middle, plus another purple key on the right edge.

the lower area features four distinct columns of Boxes .

this ready head line demands exactly two violet Boxes and two pink Boxes .

If one flood this Conveyor track using anything else east now, one shall jam this board plus lose before you even reach the gray center.

Level 371 Mystery Wall pattern

Every single move on Marble Sort 371 requires discipline.

this board identity revolves fully across this seal plus Key mechanic blocking your bottom right stack.

The initial setup is incredibly restrictive.

From west into east, the ready boxes are purple, purple, pink, and pink.

this second lane is a massive stack of purples.

this fourth lane is where the real nightmare lives.

stuck under one rose, violet, plus amber case sits one crimson box sealed with a Lock and Key .

This means this entire route through this upper rack should navigate toward that top-left red key.

One huge 4x4 grid from secret Boxes stands between you and your goal.

this Conveyor track shall fill onto right if one try into pull the outer orange or yellow marbles.

Those shades are completely blocked at the bottom.

this middle violet pass rests this very first priority since that rests east above this ivory spheres one shall need for the second wave of clears.

this front-to-back reveal mechanic is ruthless.

Clearing one bad shade shall drag out secret spheres from this Mystery Boxes that you cannot place.

Level 371 Level Overview

this Conveyor track holds zero room for error on this board.

Level 371 Surviving the Opening Trap

the first taps dictate whether one win or lose.

this amber spheres over this left and right edges are death traps.

choose this middle violet plus rose spheres on the front row of the Top Tray .

Send them directly into this four active bottom Boxes .

Once this head line sends, that middle purple marble with the key is exposed.

one want into trigger this first to free up the lower stacks.

one do not hold an active orange bottom Box .

Funnel this newly exposed violet spheres down into empty out this second layer of the bottom Boxes .

Level 371 Breaking the Mystery Boxes

Once this initial front Boxes clear, the board shifts.

this first lane shall now demand ivory spheres, and the third column will demand pink.

using this middle violet key gone, the white marbles are free.

send them onto this Conveyor track plus clear out that left-side white Box .

choose this lowest gray secret Boxes to reveal their colors.

As this secret cases flip, just bring shades that match your currently active bottom Boxes .

If one gold or crimson sphere uncovers itself, leave it in the Top Tray .

As one work down this west side from this gray piece, grab the pink marble holding the key.

This opens onto another layer in your bottom stacks.

Level 371 Unlocking the Final Stack

This sits where the late board pressure hits.

one should now hold this east-side lower stack exposed down into this amber case , plus east beneath it is that locked red Box .

send those outermost amber spheres from the very beginning of the level.

Send them into this newly exposed orange Box on the right.

one should dig through this remaining upper-west Mystery Boxes to free the red key.

Do not waste room on the Conveyor Belt with stray colors.

this seal on the bottom right will finally shatter.

using this seal gone, this last yellow and red bottom Boxes are active.

Dump this rest from the Top Tray to finish the level.

Frequently asked questions

How do I beat Marble Sort Level 371?

Feed the colors that already have an open bottom Box first, keep your belt from filling up, and only release a new color when a matching Box is ready. Follow the move order in the solution above and you can clear Level 371 every time.

What is the main trap to avoid on Marble Sort Level 371?

The biggest mistake on Level 371 is tapping a color that has no active bottom Box yet — those marbles park on your Conveyor Belt and eat limited slots. Hold back any color that has no receiver waiting and the stage stays under control.

What colors do I need to match on Marble Sort Level 371?

Level 371 mainly revolves around Purple, Red, Pink. Focus on feeding Purple first when its Box is open, then introduce Red as the lower lanes free up so you never choke the belt.

How should I open Marble Sort Level 371?

Begin by checking the lower part of the tray and only select colors that already sit in an open Box down below. Clearing those first few matching blocks unlocks the rest of the board without jamming your sorting space.

How many moves does Marble Sort Level 371 take to complete?

Level 371 is a color-sequenced stage that clears cleanly when you stick to the exact order above. The step-by-step solution walks each move so you can finish it with the fewest taps and no wasted belt slots.

Is there a video walkthrough for Marble Sort Level 371?

Yes. The embedded video on this page walks through Marble Sort Level 371 move by move, and the screenshots below show each stage of the layout so you can follow along and beat it.