Marble Sort Level 39 Walkthrough Solution

Marble Sort Level 39 Guide: The Double Tunnel and Mystery Box Trap

Marble Sort Level 39 hits you with a massive lack of information right from the start. You are staring at a jagged, L-shaped board dominated by Red, Yellow, and Brown marbles, but the real threats are completely hidden. Two separate number '3' Tunnels sit on the edges. A minefield of gray Mystery Boxes litters the middle rows.

You cannot plan your endgame here because you literally cannot see it. You have to play the board front-to-back, managing your space with extreme caution. The bottom Boxes dictate a very strict opening sequence. If you try to force matches that are not ready, the Conveyor Belt will fill up with dead colors and immediately end your run.

The unpredictable L-Shape pattern in Marble Sort Level 39

Everything about this specific board layout is designed to bait you into bad clicks. You need to read the lower Boxes before you touch a single marble.

The front row of the bottom Boxes features Red, Brown, Orange, and another Brown. That is your immediate priority list. You cannot make meaningful progress until those four clear out. Now, look up at the Top Tray. The absolute front edge of the marble stack gives you Brown, Light Blue, Purple, and a double stack of Yellow on the far right.

Notice the massive disconnect. You have a Red bottom Box in the front row, but the Red marbles in the Top Tray are buried in the second and third rows. You have an Orange bottom Box ready to go, but the Orange marbles are trapped behind the double Yellow stack on the right wing.

This means you are forced to use the Conveyor Belt as a waiting room. You have to dump colors you do not immediately need just to dig out the colors the bottom Boxes are begging for. Yellow looks like a great quick match because there are two of them up front. That is bait. The Yellow bottom Box is buried in the second row, trapped directly behind a Brown one.

Adding to the pressure are the two '3' Tunnels. One sits on the far left edge, midway up the board. The other sits at the absolute top right corner. These hold back six unrevealed clusters of marbles. You also have five visible Mystery Boxes acting as physical roadblocks in the center of the board. You have to chip away at the exposed Red and Green blocks to force those Mystery Boxes to reveal their true colors, all while keeping the Conveyor Belt clear enough to catch the surprise drops.

Marble Sort Level 39 Step-by-Step Walkthrough

Precision is everything. You have to break the front lines without flooding your safety net.

Breaking the front line traps in Marble Sort Level 39

Your opening moves require sacrificing space for access. Do not touch the Light Blue or Purple marbles in the front center. They will instantly dead-end your run.

Tap the front-left Brown block in the Top Tray. This immediately feeds one of the front-row bottom Boxes.
Tap the front-right Brown block. This clears the second Brown bottom Box entirely, opening up access to the Yellow bottom Box right behind it.
Now you must dig for Orange. Tap the two front-right Yellow blocks. Send them straight down to the Conveyor Belt.
Because you already cleared the right-side Brown Box, the Yellow bottom Box is now active. Those Yellow marbles will instantly sort themselves, clearing your belt space.
With the right wing open, tap the exposed Orange block. This satisfies the Orange bottom Box in the front row.

Triggering the hidden reveals in Marble Sort Level 39

Clearing the Orange and Brown bottom Boxes shifts the entire state of the board. Your next massive roadblock is that front-left Red bottom Box. It has been holding up the entire left side of the lower tray.

Look at the middle-left of the Top Tray. You now have exposed Red marbles sitting just behind the initial front line. Tap them.
This clears the Red bottom Box, which pulls up a Green bottom Box into play.
Tap the exposed Green block in the center of the Top Tray.
With Green gone, the gray Mystery Boxes in the center will finally trigger and reveal their colors.
Watch your Conveyor Belt closely here. The Mystery Boxes usually reveal Red or Light Blue. Only tap them if their corresponding bottom Box has shifted into the active front row. If they reveal Purple, leave them alone. The Purple bottom Box is buried deep on the right side.

Managing the Tunnel drops in Marble Sort Level 39

By clearing the center and left sections, you will finally activate the '3' Tunnels. This is where late-game panics happen.

The left Tunnel will eventually drop a Light Blue block. Make sure your Light Blue bottom Box (originally in row two) is active before you pull it.
The right Tunnel will start spitting out a mix of Red, Light Blue, and Purple.
Prioritize clearing the Red marbles first. The bottom Boxes heavily favor Red and Light Blue in the mid-to-late game.
Leave Purple for the absolute end. The Purple bottom Boxes sit at the very back of the lower tray. If you pull Purple out of the Tunnel too early, it will sit on your Conveyor Belt for the rest of the game, stealing a precious slot and threatening a game-over jam.
Clear the final Light Blue and Orange stragglers to finish the board.

Marble Sort Level 39 Walkthrough Solution | Marble Sort 39