Marble Sort Level 727 Walkthrough Solution | Marble Sort 727

Marble Sort Level 727 Guide: The Hidden Box Cross and Double Tunnel Trap

This board is a massive wall of unknowns. You are immediately greeted by a massive grid of grey Hidden Boxes taking up almost the entire Top Tray.

The colors you can see form a cross in the center, but grabbing them carelessly will end your run early. You have a Surprise Bag dead center holding hostage whatever colors are inside. You also have two Tunnels sitting in the opposite corners, ticking down from five. If you do not plan your bottom Box clears perfectly, those Tunnels will spit out marbles when you have absolutely no room left on the Conveyor Belt.

The Hidden Box Cross pattern in Marble Sort Level 727

You need to know exactly how this board is stacked before making a single tap. The Top Tray layout is designed to bait you into a quick game over.

Look at the center vertical column. It reads perfectly from top to bottom: Pink, Yellow, Blue, a grey Surprise Bag, Blue, Yellow, and a solid Red box at the very bottom. Flanking this vertical spine on the left and right are your Connected Boxes. You will see Light Blue and Green tied together with green links. Do not touch them yet. They are bait.

Surrounding this central cross is a sea of grey Hidden Boxes stamped with question marks. You cannot plan for them. You simply have to react as they flip over.

Sitting in the top-left corner is a blue Tunnel marked with a 5. Sitting in the bottom-right corner is another blue Tunnel marked with a 5. Every time you drop a box, that number ticks down. When it hits zero, a new colored box pushes out.

Now look at your lower receiving Boxes. The front row demands Blue, Red, Red, and Orange. The row directly beneath them holds Pink, Yellow, Blue, and Orange.

This bottom arrangement dictates your entire opening strategy. You need Blue and Red immediately. You have a Red box at the bottom of the central column, and a Blue box sitting just below the Surprise Bag. The Orange box on the bottom right is completely starved for matches at the start because there is no visible Orange in the Top Tray. You must clear the center spine to reveal the Hidden Boxes and find that Orange.

Marble Sort Level 727 Step-by-Step Walkthrough

You have to carve out the center column first. If you start pulling from the sides or tapping the Connected Boxes, your Conveyor Belt will jam before the Hidden Boxes even reveal their colors.

Unlocking the inner cross in Marble Sort Level 727

Your first priority is feeding the Blue and Red lower Boxes.

1. Tap the Red box at the very bottom of the central vertical column. This drops it directly into one of the Red bottom Boxes.
2. Tap the Blue box located just under the Surprise Bag. This starts filling the left-side Blue bottom Box.
3. Dropping these initial center boxes will cause some of the adjacent Hidden Boxes to flip and reveal their true colors.
4. Look for the newly revealed Red and Blue marbles. Route them down immediately to finish off the front line of lower Boxes.
5. Do not tap the Green and Light Blue Connected Boxes yet. Your lower Boxes do not need Green or Light Blue right now. Dropping them will instantly eat up critical slots on your Conveyor Belt.
6. Hunt for an Orange box among the newly revealed Hidden Boxes. Route it down to clear the front-right lower Box.

Managing the Surprise Bag and Tunnels in Marble Sort Level 727

Once you clear that first row of bottom Boxes, the board changes completely. The lower stack will shift, bringing Yellow, Pink, and new Green boxes to the front line.

1. Your Conveyor Belt will start feeling the pressure. Clear the Yellow boxes sitting in the center column.
2. Now it is time to open the Surprise Bag in the center. Only tap this when you have at least three empty slots on your Conveyor Belt. The random colors inside can easily clog your line if you are already backed up.
3. Once the Surprise Bag pops, immediately sort its contents into the matching lower Boxes.
4. Keep an eye on your corner Tunnels. Every move you make brings them closer to zero.
5. The moment the bottom-right Tunnel hits zero, it will spit out a Purple box. Make sure you have a Purple lower Box exposed, or keep enough room on your belt to hold it.
6. Now you can finally tap the Light Blue and Green Connected Boxes. The lower stack will have rotated enough to actually accept Green marbles. Route them down to free up massive space in the center of the board.

Surviving the Tunnel flood in Marble Sort Level 727

The late game gets messy. Both the top-left and bottom-right Tunnels will be fully open, dumping new colors onto the remaining Top Tray.

1. The left Tunnel will eventually unleash Green marbles. Your lower Boxes will show multiple Green receivers at this stage. Feed them quickly.
2. The Conveyor Belt will suddenly fill with Light Blue, Yellow, and White marbles from the remaining Hidden Boxes and Tunnels.
3. Prioritize clearing the Yellow and White marbles first. Light Blue tends to stack up fast here. Keep the Light Blue pushed to the right side of your belt while you finish off the Yellow clears.
4. Drop the final Purple box from the right side.
5. Send down the remaining Light Blue marbles to finish the final lower Box and beat the level.