Marble Sort Level 425 — Walkthrough and Solution

Marble Sort Level 425 is a deceptive board that looks easy but hides a tricky layout with Mystery Boxes and a blocked center. The key is to clear Dark Blue first, then carefully manage the Green bait and Purple blocks to avoid jamming the Conveyor Belt.

On the top tray, the front row shows a Green block on the far left, a Dark Blue in the center, and a Pink on the far right. Behind them, the center is packed with grey blocks and hidden colors, while the bottom boxes are set to demand a sequence that starts with Dark Blue, Purple, Pink, and Purple, but the real danger lies in the Mystery Boxes under the first two columns.

Marble Sort Level 425 Walkthrough

Bottom boxes, from left to right, request: Dark Blue, then a Mystery Box, next Light Blue, last Pink; the second column wants Purple, after that Orange, then Dark Blue, finally Green; the third column asks for Pink, another Pink, Green, then Purple; the fourth column needs Purple, a Mystery Box, Orange, and Yellow at the end.

The trap is the Green block at the front: there is no Green box initially, so tapping it early will leave Green marbles stuck on the belt. You must clear it only when needed to reach Purple, and then feed it later when a Green box appears.

How to Beat Marble Sort Level 425 — Step-by-Step

Phase one: Clear the safe front colors

1. Tap the Dark Blue block at the bottom center of the top tray to drop it into the Dark Blue box in column one.
2. Route the Pink block on the bottom right into the Pink box in column three.
3. Brace for the Mystery Box reveal in column one and the second Pink box in column three.
4. Release the Green block on the bottom left onto the belt; it will sit there temporarily.
5. Immediately clear the Purple block that was behind the Green, sending it to the Purple boxes in columns two and four.

Phase two: Handle the Mystery Box reveals

1. After column four's Mystery Box appears, check its color; if it's Light Blue or Orange, pull matching colors from the outer edges of the top tray first.
2. Fill the second Pink box in column three by tapping newly exposed Pink blocks on the right side.
3. Avoid the center colors (Yellow, Red, Light Blue) until their boxes slide into place.
4. When a Green box finally appears in column two or three, the waiting Green marbles will automatically clear, freeing belt space.

Phase three: Clear the remaining grid

1. Work strictly on the center grid, pulling only the colors that match the active boxes.
2. Feed Orange and Light Blue boxes as they appear, using mid-level blocks.
3. Save the top corner Red and Purple blocks for last.
4. Tap slowly one at a time, letting each block fill its box before the next moves up.

Tips & tricks

• Always prioritize clearing Dark Blue and Pink early to unlock the Mystery Boxes safely.
• Use the Green bait deliberately: tap it only when you need to reach Purple, and be ready to feed it later.
• Keep the Conveyor Belt empty by matching colors as soon as boxes appear, especially after Mystery Boxes change the board.

Common mistakes

• Tapping the Green block too early, which fills the belt with unusable marbles.
• Digging into the center before the outer edges are clear, jamming the belt with mismatched colors.
• Rushing at the end and queuing multiple taps, causing the belt to overflow.

Marble Sort Level 425 FAQ

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