Marble Sort Level 389 — Walkthrough and Solution

This puzzle, Marble Sort Level 389, presents a board where a massive metal sheet covers the top-left quadrant, bearing a large "16" and secured by four screws. The panel restricts early movement, so the solution begins by working the exposed right-side columns, clearing specific colors to unlock the tunnel and eventually remove the barrier.

The visible front row of the tray shows a Dark Red group on the left, a Light Pink group in the middle, and a Green group on the right. Behind these, a vertical arrangement holds Light Pink, Orange, and Light Blue in the center, while the far right features two Green stacks in front of a tunnel marked with a "3". The bottom boxes currently request Purple, Magenta, Green, and Red from left to right.

Marble Sort Level 389 Walkthrough

The bottom row of boxes, arranged left to right, currently requires Purple, Magenta, Green, and Red. The top tray's front row offers Dark Red on the left, Light Pink in the center, and Green on the right, but the key is to avoid the tempting Light Pink in the middle.

The critical trap is the Light Pink cluster in the middle; dropping it early will send it to the conveyor, where it will sit idle because the matching bottom box is buried deep under other colors, causing a jam. The safe colors to use initially are Green and Dark Red, as they match accessible bottom boxes.

How to Beat Marble Sort Level 389 — Step-by-Step

Phase one: Clearing the front Greens

1. Tap the front-right Green cluster to drop it, filling the open Green box in the third stack.
2. Tap the Dark Red cluster on the left side of the front row; it travels down to fill the Red box on the far right.
3. After the first Green box is filled, the next box in that stack is also Green, so tap the second Green cluster in the right column to fill it.

Phase two: Unlocking the tunnel and clearing early boxes

1. With the Greens cleared, the tunnel on the right is now exposed; focus on the newly revealed bottom boxes: the far-right stack now asks for Orange, the far-left for Purple, and the second stack for Yellow.
2. Drop the Orange marbles from the exposed area near the panel to fill the right Orange box.
3. Continue pulling from the right side to activate the tunnel, which will release hidden marbles needed for the Purple and Yellow boxes.
4. Manage the conveyor strictly: only drop a color when its matching bottom box is active or will be next, avoiding any premature drops.

Phase three: Breaking the panel and finishing

1. As you clear the Purple and Yellow boxes, the panel's counter decreases; once it hits zero, the panel flies off, revealing a cluster of marbles on the left side.
2. Now that the Light Pink box is accessible (after clearing the Orange boxes above it), drop the Light Pink cluster from the center to fill it.
3. Sweep left-to-right to clear the remaining Yellow and Orange boxes, completing the level.

Tips & tricks

• Always prioritize clearing the right-side tunnel early to gain access to essential marbles.
• Keep the conveyor free by only matching colors to active or soon-to-be-active boxes.
• Watch the panel counter; each successful box clear reduces it, so plan moves to maximize progress.

Common mistakes

• Tapping the Light Pink cluster too early, causing a conveyor jam.
• Ignoring the right-side tunnel and focusing on the center, leading to a deadlock.
• Dropping marbles without a clear matching box, filling the conveyor with useless colors.

Marble Sort Level 389 FAQ

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