Marble Sort Level 373 — Walkthrough and Solution

Marble Sort Level 373 presents a deceptive wall of grey Mystery Boxes that dominate the top tray, with Yellow, White, and Purple as the only visible colors initially. The key is to ignore the tempting Yellows and instead focus on the left side to unlock the White Box, then methodically reveal new colors as corresponding bottom Boxes become active.

The board features a U-shaped top structure, four rows deep in the corners with grey boxes, while a single front row of colored clusters sits at the bottom edge. From left to right, these are Yellow, White, Purple, Green, and another Yellow.

Marble Sort Level 373 Walkthrough

The bottom row has four active Boxes: the far-left is Purple, and the other three are Yellow. Above, the front row hides specific colors: behind the left-side Purple is a White Box, and behind the Yellows are Green and more Purple. The top tray also contains hidden clusters of Pink, Brown, Orange, and Dark Green behind the grey Mystery Boxes.

The main trap is that the three Yellow bottom Boxes and two Yellow top clusters tempt you into rushing the Yellows, but doing so will release unplayable colors like Brown and Orange onto the limited belt, causing an instant jam. Instead, you must reveal the bottom Boxes in the correct order to handle each color as it appears.

How to Beat Marble Sort Level 373 — Step-by-Step

Phase one: Clearing the front row

1. Tap the Purple cluster in the middle of the top tray, sending it to the active Purple bottom Box on the far left.
2. Wait for that Box to clear and reveal a White bottom Box, then tap the White cluster (second from left) to fill it.
3. Now tap the two Yellow clusters on the far left and far right edges, routing them into the available Yellow bottom Boxes.
4. Do not drop the Green cluster yet, as there is no active Green Box, and it would waste belt space.

Phase two: Surviving the midgame reveal

1. As you clear the front row, grey Mystery Boxes will open, revealing Dark Green, light Green, Pink, and Brown clusters in the top tray.
2. Immediately slide any Dark Green marbles into the newly active Dark Green bottom Box that appears.
3. Next, locate the Pink clusters on the right side and deliver them to the Pink bottom Box that surfaces on the far right.
4. Leave Brown and Orange marbles in the top tray for now; dropping them would clog the belt.
5. Finally, release the original Green cluster into the light Green bottom Box that has now become available in the middle columns.

Phase three: Final clear

1. Watch for a White Box and a Brown Box to cycle up, then tap the Brown clusters near the center-right to fill the Brown Box.
2. Keep the belt moving by alternating between Orange and Pink clusters as their Boxes slide into place.
3. Clean up any remaining outer Mystery Boxes one by one, never tapping two unknowns simultaneously.

Tips & tricks

• Always prioritize revealing bottom Boxes before dropping new colors.
• Keep the belt clean by not moving unplayable colors early.
• Use the left side as your anchor to control the pace.

Common mistakes

• Rushing the Yellow clusters without unlocking the White Box.
• Dropping Green before a Green Box is available.
• Tapping multiple Mystery Boxes at once, which can flood the belt.

Marble Sort Level 373 FAQ

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