Marble Sort Level 150 Walkthrough Solution | Marble Sort 150

Marble Sort Level 150 Guide: The Connected Mystery Spine

You load into this board and immediately see a massive problem sitting dead center. The middle of the board is dominated by a towering stack of gray ? boxes tied together. This central spine of paired Mystery Boxes acts as a massive wall, splitting the board into two completely separate halves. Because they are Connected Boxes, they will drop two completely random colors onto your Conveyor Belt at the exact same time when activated. If you do not manage your belt space perfectly before opening that middle lane, you will fail instantly.

To beat this stage, you have to ignore the terrifying middle section at the start and play the edges. The color order is incredibly strict. You have bait colors sitting right in front of you. You have a double-demand for a color that is buried behind an obstacle. Winning this board requires a very specific opening sequence on the left side to get the momentum going.

The Dual-Edge Board Pattern in Marble Sort Level 150

Take a hard look at how the Top Tray is organized. You have four playable boxes in the very front row: Light Green on the far left, Dark Pink next to it, and then Brown and Orange over on the right.

The middle two columns are completely empty at the bottom, leading straight up into those double Connected Boxes that hide their colors. The far left column is your golden ticket. It starts with Light Green, with Yellow right behind it, then Light Blue, another Yellow, and finally a Tunnel marked with a 4 at the very back.

The right side is pure bait. The front Brown and Orange boxes look tempting to tap, but look down at your bottom Boxes. The active front row requires Light Pink, Light Green, Yellow, and Light Pink. There is absolutely zero demand for Brown or Orange right now. If you drop them, they will permanently eat up space on your Conveyor Belt.

The real nightmare of Marble Sort Level 150 is the double Light Pink demand on the bottom. You need two Light Pink clears to unlock the full board, but there are no Light Pink boxes sitting in the front of the Top Tray. You have to dig for them. The mid-left stack has colors buried behind that textured Dark Pink box. Your entire early game revolves around sacrificing a tiny bit of Conveyor Belt space to hold that Dark Pink box so you can reach the crucial colors behind it.

Once you clear that first layer, the second row of lower Boxes reveals Light Blue, Brown, Light Blue, and Yellow. This completely shifts the priority from the left side of the board over to the right side, making that front Brown box suddenly valuable. You have to transition smoothly from the left stack to the right stack before those central Mystery Boxes ruin your run.

Marble Sort Level 150 Step-by-Step Walkthrough

Follow this exact tap order. Do not touch the right side of the board until the left side has done its job. Space is your most valuable resource here.

The Left Side Opening Route in Marble Sort Level 150

Your opening moves must be flawless to set up the midgame. The goal here is to clear the Light Green and Yellow bottom Boxes immediately without clogging the belt.

1. Tap the front-left Light Green box in the Top Tray. It drops perfectly into the second bottom Box and clears it instantly.
2. This move exposes the Yellow box directly behind it in the left stack. Tap that Yellow box immediately. It slides right into the third bottom Box and clears it.
3. Now the board stalls. You need two Light Pinks to clear the outer bottom Boxes, but they are hidden. You must now tap the front Dark Pink box in the mid-left stack.
4. Let the Dark Pink marbles sit on the Conveyor Belt. This is a necessary sacrifice. Do not panic about the lost space.
5. With the Dark Pink box out of the way, you can now access the stack behind it to hunt for the Light Pink marbles you need to clear those outer bottom Boxes. Extract the Light Pink marbles to open up the next layer of the puzzle.

Cracking the Connected Mystery Spine in Marble Sort Level 150

Once you clear those initial bottom Boxes, the board shifts drastically. The second row of bottom Boxes requires Light Blue, Brown, Light Blue, and Yellow. The left side no longer has everything you need.

1. Shift your focus to the right side of the Top Tray. Tap the front Brown box. It will drop into the newly revealed Brown bottom Box and clear it.
2. You now need Light Blue. Look at the far left stack again. Behind the Yellow you cleared earlier sits a Light Blue box. Tap it to clear one of the Light Blue bottom Boxes.
3. At this exact moment, you will likely trigger the first pair of Connected Boxes in the central spine. Because they are Mystery Boxes, you do not know what is coming. Two full boxes of marbles will flood the Conveyor Belt.
4. Stop tapping immediately. Look at what those ? boxes dropped. If they match the active bottom Boxes (like the remaining Light Blue or Yellow), let them clear automatically. If they do not match, they will sit on the belt alongside your parked Dark Pink marbles.
5. If the belt is getting tight, look for the Orange box on the right side. Only drop it if an Orange bottom Box has appeared. Do not drop it just to see what is behind it.

Surviving the Tunnels in Marble Sort Level 150

You are now in the late game. The central spine is slowly breaking down, and the side Tunnels are starting to become a factor. The left Tunnel holds 4 hidden sets of marbles, and the top right has another 4.

1. Keep clearing the front-most accessible colors that match the bottom Boxes. You will see Dark Blue and Dark Green bottom Boxes appear.
2. Use the right side stack to find the Dark Blue marbles hidden behind the Orange box.
3. Only pull from the Tunnels when you have an empty Conveyor Belt. A Tunnel will often spit out a color you do not need right now. If your belt is already holding leftover random colors from the Mystery Boxes, a bad Tunnel drop will end the game.
4. Focus heavily on clearing whatever color is currently taking up the most space on your belt. If that Dark Pink from the very beginning is still sitting there, dig through the Top Tray stacks to find the Dark Pink bottom Box just to get those marbles off the glass.
5. Once the central spine is gone, the board opens up completely. Simply match the remaining visible colors from the top directly into the bottom to finish the stage.