Marble Sort Level 142 — Walkthrough and Solution

Level 142 is the six-key gridlock. The six-key gridlock on this board is a trap for hasty players; the winning move is to clear the front Blue and Orange Boxes before touching the central Yellow marble.

Level142
DifficultyEasy
Priority routeBlue → Orange
Watch forBlue

▶ Video walkthrough of Marble Sort level 142, then the step-by-step below.

⚡ Quick clear

Blue → Orange. The Blue wall blocks the row behind it.

Marble Sort Level 142 presents a castle-shaped grid ringed by obstacle blocks, with six Lock and Key marbles placed on the edges. The top row holds Green, Yellow, and Blue keys, while lower alcoves contain Orange, Black, and a second Green. A dense cluster of Pink, Orange, Yellow, Purple, and Brown marbles fills the center, and the bottom features multiple Boxes, including a Yellow Box tucked behind a Blue Box in the first column.

The board's layout is designed to punish impulsive moves. The bottom row of the Top Tray has a Dark Blue marble on the left, a Yellow marble dead center, and another Dark Blue on the right. The front Boxes demand Blue and Orange, making the central Yellow look like an easy tap—but it's a decoy. Touching it early burns a Conveyor Belt slot, and the belt can jam with Pink and Brown if you pull colors out of order. Your goal is front-to-back excavation: clear the accessible Blue marbles first, then Orange, to trigger a shift that reveals locked Brown and Pink Boxes underneath.

Marble Sort Level 142 Walkthrough

The bottom Boxes are arranged with Blue and Orange in the front row, and a Yellow Box sits behind the Blue in the first column. The front row must be satisfied first to unlock the deeper layers. The left and right sides of the belt are prone to crowding if you mishandle the order, so the initial taps are critical.

The central Yellow at the bottom of the Top Tray is a trap because the Yellow Box is not yet reachable—it's blocked by the Blue Box. Dropping that Yellow early wastes a belt slot and risks a jam. Instead, focus on the Blue marbles on the far left and right of the bottom row, which feed the front Boxes directly.

How to Beat Marble Sort Level 142 — Step-by-Step

Phase one: Break the front line

  1. Tap the Dark Blue marble on the bottom left of the Top Tray.
  2. Tap the Dark Blue marble on the bottom right of the Top Tray. Send both down to start filling the Blue Boxes.
  3. Leave the bottom-center Yellow marble untouched.
  4. Dig into the right side of the board to free the Light Blue marble sitting next to the bottom-right Green key.
  5. Extract the Orange marbles from the second row to clear the front-line Orange Box.
  6. Pull the Black Lock and Key marble from the bottom middle to open up the center column. Clearing this key is required to unlock the deeper sections.

Phase two: Navigate the locked Boxes

  1. Push the Pink marbles from the left side down to the Conveyor Belt, holding them temporarily.
  2. Push the Green marbles down to sit next to the Pink ones, managing belt space carefully.
  3. Release the large cluster of Brown marbles from the right-center of the Top Tray, letting them drop to fill the newly revealed Brown Box.
  4. Tap the central Yellow marbles now that the Yellow Box in the first column is finally exposed and ready to receive them.
  5. Clear the Brown Box completely to open up breathing room.
  6. Target the Pink Box, as the staged Pink marbles will automatically funnel into it and clear it out.

Phase three: Clear the top keys

  1. Tap the Green Lock and Key marble in the top left corner.
  2. Tap the Yellow Lock and Key marble in the top middle.
  3. Tap the Blue Lock and Key marble in the top right.
  4. Funnel these remaining keys into their matching Boxes at the bottom; the board is now empty, so they sort themselves without jamming.
  5. Drop any remaining straggler colors from the lower alcoves to clear the final Boxes and beat the level.

Tips & tricks

  • Always prioritize the front Blue and Orange Boxes; they are the gatekeepers to the rest of the board.
  • Keep an eye on the Conveyor Belt capacity; stage Pink and Green marbles only when you have enough space to avoid a jam.
  • Use the Black key early to unlock the center column, as it provides access to the Brown and Pink Boxes.

Common mistakes

  • Don't tap the central Yellow marble early; it will clog the belt before the Yellow Box is reachable.
  • Don't pull colors from the top row before clearing the middle cluster, or you'll have nowhere to store them and risk a belt overload.

Marble Sort Level 142 FAQ

Why does my Conveyor Belt flood on Marble Sort Level 142?

The belt floods when you tap the central Yellow or other middle marbles before clearing the front Blue and Orange Boxes, because those colors have no Box to go to yet.

Which color do I clear first on Marble Sort Level 142?

Clear the Dark Blue marbles on the bottom left and right first, as they fill the front Blue Boxes and unlock the rest of the board.

How many moves does it take to clear Marble Sort Level 142?

It typically takes around 20-25 moves, but the exact count depends on how efficiently you avoid unnecessary taps on the belt.

Do I need boosters to beat Marble Sort Level 142?

No, boosters are not required if you follow the correct order; but they can help if you make a mistake and need to clear a jam.

What happens if I tap the central Yellow marble early on Marble Sort Level 142?

Tapping it early fills a Conveyor Belt slot with a marble that has no Box to go to, which can quickly lead to a belt jam and force you to restart.

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