Marble Sort Level 390 Walkthrough Solution | Marble Sort 390

Marble Sort Level 390 Guide: The V-Funnel Lock Trap

Marble Sort Level 390 is a brutal test of patience. The dominant colors you need early on are Red, White, and Green. However, the game actively hides these behind a punishing V-shaped funnel in the center of the board.

You are staring down a heavily layered Top Tray that bottlenecks right in the middle. Worse, the outer edges are guarded by grey Surprise Bags covered in question marks. At the very top of the board, two Lock and Key mechanisms hold the upper columns hostage. You cannot reach the back rows until you clear the Blue and Orange marble clusters attached to those yellow keys. To survive this level, you have to embrace a risky start. You must deliberately fill your Conveyor Belt with bait colors just to crack the center column open.

The Central Bottleneck in Marble Sort Level 390

Take a hard look at the layout in Marble Sort Level 390. Your success entirely depends on understanding the mismatch between the Top Tray and the bottom Boxes.

Your front row of lower Boxes requires Bright Red, White, Green, and Bright Red. That is your strict opening order. But look at the very bottom of the Top Tray funnel. The only immediately accessible marbles are a Pink cluster on the left and a Dark Red cluster on the right. Neither of these colors matches your front-row Boxes. This is the core trap of Marble Sort Level 390. If you panic and start tapping the grey Surprise Bags on the lower left and right edges hoping for a White or Green marble, you will fail. Those bags will spit out random colors, clog your Conveyor Belt, and end your run instantly.

The board is designed to force you straight up the middle. Directly above that bottom Pink cluster is the White you desperately need. Directly above the Dark Red cluster is the Bright Red you need.

Further up, the board splits. The left side holds Green, Orange, and the Blue cluster tied to the left Lock and Key. The right side holds Yellow, Brown, and the Orange cluster tied to the right Lock and Key. The top corners hide two Tunnels, each holding two hidden sets of marbles. You cannot touch those Tunnels until the midgame. Your entire early strategy revolves around absorbing the Pink and Dark Red bait so you can feed the correct colors into the front Boxes.

Marble Sort Level 390 Step-by-Step Walkthrough

Follow this exact tap order. Do not touch the grey Surprise Bags until explicitly told to do so. Your Conveyor Belt space is your most valuable resource.

Beating the Opening Bait in Marble Sort Level 390

The first five moves dictate whether you live or die on this board. You have to take out the center blockage to access the White and Bright Red marbles.

1. Tap the bottom-center Pink marble cluster. Send it down to the Conveyor Belt. It will just sit there. This is necessary.
2. Tap the bottom-center Dark Red marble cluster. Send it to the Conveyor Belt. You now have two dead slots taken up, but the center path is open.
3. Tap the newly exposed White marble cluster and send it directly into the front White Box.
4. Tap the Bright Red marble cluster located right above where the Dark Red used to be. Send it into one of the front Bright Red Boxes.
5. Look at the left side of the Top Tray. Tap the bright Green marble cluster sitting below the yellow key mechanism. Send it into the front Green Box.
6. Find another Bright Red cluster (check the center column or the newly exposed layers) to clear the final front-row Bright Red Box.

Unlocking the Midgame in Marble Sort Level 390

Once that first row of Boxes drops away, the board state flips. The second row of bottom Boxes slides forward, demanding Green, Pink, Bright Red, and Orange. This is exactly what you want.

7. That Pink marble cluster you parked on the Conveyor Belt at the start? It will automatically fly into the newly revealed Pink Box. Your belt just gained back a crucial slot.
8. Focus your attention on the right side of the Top Tray. You need to reach the Orange cluster holding the right-side key. Tap the Yellow and Brown clusters blocking it, sending them to the Conveyor Belt or into matching Boxes if the third row reveals them.
9. Tap the Orange cluster to clear the right Lock and Key. This immediately loosens up the right side of the board.
10. Shift to the left side. You already cleared the Green earlier, which means the Blue cluster holding the left-side key is exposed. Pull it down as soon as a Blue Box becomes available in the lower queue.
11. With both Lock and Key setups destroyed, the upper middle section of the board is completely exposed.

Clearing the Bags and Tunnels in Marble Sort Level 390

You are now in the endgame. The center is gone, the locks are broken, and only the unpredictable obstacles remain.

12. Now is the time to crack the Surprise Bags. Start with the two bags sitting on the lower left and right edges. Only tap one bag at a time. Wait to see what color it drops, match it to a Box, and clear it before tapping the next bag.
13. Move to the two Surprise Bags sitting at the very top center of the board. Follow the same slow, controlled pacing.
14. Finally, attack the two Tunnels in the top left and top right corners. Because they are marked with a '2', each will drop multiple hidden clusters. Make sure your Conveyor Belt is at least half empty before you pull from a Tunnel.
15. Feed the remaining marbles from the Tunnels into the final rows of Red, Pink, and White Boxes to finish the level. Stay disciplined with your belt space and the board will clear perfectly.