Marble Sort Level 640 — Walkthrough and Solution

The central grid of Marble Sort Level 640 is sealed behind Hidden Boxes, so you start blind. The only visible marbles are Purple, Red, Blue, and White, with the Top Tray split into sections. Left Tunnels hold Red, Green, and Pink; right Tunnels hold Purple, Red, and White. The rockets sit on a central box, waiting to blow open the grid.

The bottom Boxes initially demand Purple, Red, Purple, and Blue (left to right). The front row of the Top Tray shows White, Blue, Purple, Red, and White. The White marbles on the ends are decoys—no White bottom Box waits, so tapping them early jams the Conveyor Belt. The key is to clear the colored groups under the rockets in the correct order.

Marble Sort Level 640 Walkthrough

Start by focusing only on the front row. The left-to-right demands of the bottom Boxes are Purple, Red, Purple, and Blue. The order of your taps determines if the rockets fire before a jam.

The trap is the White marbles on the far left and right. They look safe but will fill the Conveyor Belt without a matching Box. Avoid them until later.

How to Beat Marble Sort Level 640 — Step-by-Step

Ignite the Rockets

1. Tap the Purple marbles in the center of the Top Tray; they drop to the Belt and fill the first Purple Box.
2. Next, tap the Red marbles just right of that center spot; they clear the Red Box waiting second.
3. Then tap the Blue marbles on the left side of the front row; they satisfy the far-right Blue Box.
4. Now look to the right Tunnels: the top one holds three Purple marbles. Release them to fill the remaining Purple Box.
5. These four clearings release the rockets, which explode and remove the lower Hidden Boxes, exposing new colors.

Handle the Revealed Grid

1. After the blast, the Top Tray shows Red, Teal, Blue, and Purple in the center. The bottom queue now asks for Light Green, White, and Pink.
2. If Light Green marbles are streaming down the left side, pause and let the bottom Boxes slide into place to catch them.
3. Only release the White marbles from the front corners once a White Box appears on the Belt.
4. Do not tap Teal yet—wait until a Teal Box is locked in position.
5. Work the left Tunnels: release Pink marbles from the bottom-left Tunnel to fill the Pink Box.
6. Clear the center grid from top to bottom; whenever a new color appears, match it to the active queue immediately.

Finish the Side Tunnels

1. Once the center is mostly empty, turn to the side Tunnels.
2. Release Red marbles from the top-left Tunnel when a Red Box cycles in.
3. Drop White marbles from the bottom-right Tunnel to meet the final White demands.
4. Always clear the front-most bottom Box first. If Blue is needed, grab the exposed Blue from the upper center before touching other Tunnels.
5. Finally, empty the remaining Green and Red Tunnels to complete the board.

Tips & tricks

• Keep the Conveyor Belt as clear as possible—never tap a color unless its Box is already waiting.
• Memorize the order of bottom Boxes so you can plan two steps ahead.
• When the rockets fire, quickly scan the new layout and prioritize colors that match the first Box in line.

Common mistakes

• Tapping the White marbles at the start; they have no Box and will clog the Belt.
• Ignoring the left-to-right order of the bottom Boxes; a single mismatch delays the rocket trigger.
• Releasing Teal before a Teal Box is ready, causing unnecessary Belt congestion.

Marble Sort Level 640 FAQ

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