Marble Sort Level 720 Walkthrough Solution | Marble Sort 720

Marble Sort Level 720 Guide: The Triple Countdown Domes and Mystery Box Trap

This board is a masterclass in bait. Marble Sort Level 720 throws multiple overlapping problems at you right from the starting gate. You have locked columns, buried colors, and a nasty set of hidden lower boxes waiting to ruin your run.

The dominant colors you need to worry about early are Pink, Purple, Light Blue, and Green. The Top Tray is an absolute mess of scattered blocks. You have three numbered glass domes counting down (two 3s and a 4) blocking the center columns. Worse, the top corners and upper center hold multi-layered marble stacks that require multiple color matches to peel back. You cannot just tap what looks good. You have to plan exactly which bottom Box needs to leave the board first.

The Squeezed Board Pattern in Marble Sort Level 720

Take a hard look at the starting layout. This board is designed to jam your Conveyor Belt instantly if you make the wrong opening move.

The front line of your bottom Boxes demands Pink, Purple, Light Blue, and Green. Look deeper. Column one hides a grey Mystery Box under the Pink, Light Green, and Orange boxes. Column two stacks double Purple boxes before revealing Green and Yellow. Column three hides another Mystery Box under Light Blue, Dark Blue, and Pink.

The Top Tray is where the trap lies. The lowest available marbles are wildly disconnected. You have a cluster of Pink on the far left and another near the middle-right. You have bright Yellow and Orange blocks sitting completely exposed on the right side. Do not touch them. They are pure bait. The Yellow and Orange bottom Boxes are buried deep. If you drop those marbles now, they will rot on your Conveyor Belt and steal all your maneuvering space.

The entire flow of Marble Sort Level 720 is controlled by the numbered glass domes. The two domes marked '3' sit low in the center-left and center-right columns. You must clear lower boxes to tick those numbers down to zero. Until those domes shatter, a huge portion of your middle board is dead space.

Marble Sort Level 720 Step-by-Step Walkthrough

You need a strict order of operations here. The Conveyor Belt space is your most valuable resource. We are going to clear the front line, ignore the bait, and force the countdown domes to break.

Beating the Opening Squeeze in Marble Sort Level 720

The first moves dictate whether you survive the midgame. You must clear the Pink and Purple boxes immediately.

1. Tap the exposed Pink marbles on the bottom left and the middle right of the Top Tray. Fill that first Pink Box in column one to get it out of the way.
2. Target the Purple blocks next. You have two Purple Boxes stacked in column two. Grab the accessible Purple marbles near the center right and lower right.
3. Leave the Yellow and Orange marbles completely alone. Touching them now is a guaranteed loss.
4. Clear the Light Blue and Green front Boxes using the exposed clusters on the left and right edges.
5. Watch the numbered glass domes. Every time a bottom Box clears, those counters drop. Keep clearing the accessible Light Green and Dark Blue boxes that drop down next until the '3' domes hit zero and disappear.

Surviving the Mystery Box Chaos in Marble Sort Level 720

Once you break the initial wall, the board shifts. The glass domes vanish, opening up the Dark Blue and Orange blocks trapped in the upper middle. Now the real threat begins. The Mystery Boxes in the lower grid will start activating.

6. Pause before you spam the Top Tray. When a Mystery Box reveals its color, check the board. You might suddenly need a color that is buried under the multi-layered stacks at the top.
7. Start peeling back the top layered stacks. The top layer is Purple. Clear the Purple chunks to reveal the Green and Blue layers underneath.
8. Drop the Orange marbles from the newly opened center columns into the Orange Box that is now exposed in column one.
9. Manage your Conveyor Belt strictly. If a Mystery Box reveals Yellow, and you finally have access to the Yellow bottom Box, now is the time to drop those Yellow marbles you ignored at the start.

Breaking the Final Layered Stacks in Marble Sort Level 720

The late game gets highly claustrophobic. If you made a mistake with a Mystery Box, your Conveyor Belt will likely be choking on Red, Green, or Yellow marbles that have nowhere to go.

10. Focus on the left side wall. Clear the hidden Red and White marbles that finally drop down.
11. Match the remaining layers from the top corner figures. You will find Light Blue and White chunks hidden in the final layers. Drop them only when their matching bottom Box pushes to the front.
12. Clear the last remaining Mystery Box reveals one by one. Do not release a color from the Top Tray unless you are absolutely certain it finishes a three-marble clear. Keep the belt clean, let the final boxes drop, and finish the board.