Marble Sort Level 313 — Walkthrough and Solution

Marble Sort Level 313 is a puzzle that punishes impulsive tapping. The board features a central lock that blocks the middle columns, forcing you to work on the outer edges. The left side holds the key to progress, while the right side is a decoy that can jam your tray if touched too early.

The layout consists of seven columns in the top tray. The outer columns—one, two, six, and seven—are packed with Arrow Box tiles that only drop when the tile underneath them is removed. This means you must clear from the bottom upward on the flanks. The center columns three, four, and five are sealed behind a large iron padlock, hiding Purple, Green, Blue, and Brown marbles. The key to this lock sits at the top of column one, resting on a Pink tile, buried beneath Green, White, and Purple Arrow Boxes.

Marble Sort Level 313 Walkthrough

Your starting front-row Boxes are Purple, Light Blue, White, and another Light Blue, arranged left to right. Behind them, waiting in the queue, are Light Blue, Green, then Black Boxes. These initial demands dictate your first moves: you must match Purple and Light Blue early to create space.

The critical insight is that the right flank is a trap. Columns six and seven contain Black and Light Blue bases, but they are topped with Green, Brown, Pink, and Red Arrow Boxes. If you pull from these columns without an active matching Box, your Conveyor Belt will fill with useless colors, blocking your progress to the key on the left.

How to Beat Marble Sort Level 313 — Step-by-Step

Phase one: Secure the key

1. Tap the Purple tile at the bottom of column four.
2. Tap the Light Blue tile at the bottom of column five.
3. Tap the Light Blue tile at the bottom of column seven to complete the first Light Blue Box.
4. Tap the Green tile at the bottom of column one.
5. Tap the Pink tile at the bottom of column two.
6. As the Green and Pink Boxes appear, feed them the White and Green Arrow Boxes from the left flank.
7. Continue clearing upward on columns one and two, ignoring the right side entirely.
8. Tap the Pink tile at the top of column one to release the golden key, breaking the central lock.

Phase two: Drain the center

1. Examine your new bottom Boxes, which now include Green, Black, Purple, and Brown.
2. Pull tiles from the newly exposed center columns first, starting with Purple and Green from the middle stack.
3. Keep your Conveyor Belt clear by only pulling right-side tiles when you have an active Black or Light Blue Box.
4. If you need Pink or White, wait until an appropriate Box appears, or you'll clog the belt.
5. Systematically clear the center column stack, feeding the bottom Boxes as they appear.

Phase three: Final cleanup

1. Once the center is empty, turn your attention to columns six and seven.
2. Drop the remaining Arrow Boxes from the right flank, matching them with active Black, Brown, or Light Blue Boxes.
3. Clear the last few Green and Light Blue marbles to finish all bottom Boxes.
4. Complete the level by matching the final colors.

Tips & tricks

• Always prioritize the left side until the key is secured; the right side is a distraction.
• Keep your Conveyor Belt as empty as possible, especially during the midgame when the center opens.
• When the center column is exposed, clear it quickly to prevent the stack from growing.
• Use the bottom Boxes as a guide for which colors to pull; never pull a color without an active match.

Common mistakes

• Tapping the right flank too early, which fills the Conveyor Belt with unusable colors.
• Ignoring the bottom Box order, causing delays when the wrong colors are pulled.
• Failing to clear the center column promptly, leading to a build-up that overwhelms the tray.

Marble Sort Level 313 FAQ

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