Marble Sort Level 177 — Walkthrough and Solution

Marble Sort Level 177 opens with a board clogged by wooden crates, Mystery Boxes, and Multiplier Gates, where the real enemy is the Lock and Key mechanic. Your first goal is to clear the path to the Pink cluster holding the Key, so you can unlock the middle columns and access the colors you actually need.

The top tray is split by a vertical column of grey Mystery Boxes, forcing you to treat the left and right halves as separate puzzles. Four wooden crates with brown crossbeams block the corners, while blue tubes marked with a white '2' (Multiplier Gates) sit near the center. The bottom boxes are arranged in four tight columns: the front row demands Pink, Dark Blue, Red, and White, with Light Green, Light Blue, and Purple queued behind. The middle two bottom columns are locked until you retrieve the Key, which rests on a Pink cluster high on the right side of the top tray.

Marble Sort Level 177 Walkthrough

Your front row boxes are, from left to right: Pink, Dark Blue, Red, White. The middle columns are locked, so you can only work the far-left and far-right boxes initially. The central Mystery Boxes are a trap—tapping them early will flood your Conveyor Belt with random colors you cannot place.

The critical imbalance: the Key is on the right side, but the right-side bottom box wants Pink, which is also the Key's resting color. If you pull any other color from the right side before clearing the Pink, you risk clogging your limited Conveyor Belt slots. Focus every early move on exposing and dropping that Pink cluster.

How to Beat Marble Sort Level 177 — Step-by-Step

Phase one: Clear the outer columns

1. Tap the far-left bottom box's matching color (Pink) from the top tray, but only if it is exposed and safe.
2. Route the far-right bottom box's matching color (White) from the right side, again only if exposed.
3. Leave the central Mystery Boxes and any Light Blue, Purple, or Green marbles alone—they are decoys until the locks open.
4. Do not tap any grey question mark blocks; you lack the Conveyor Belt space to absorb a random color.

Phase two: Trigger the Key and unlock the center

1. Focus all taps on the right side of the top tray, clearing any blocks beneath the Pink cluster that holds the Key.
2. Tap that Pink cluster to drop the Pink marbles into the front-right box and release the Key.
3. The Key automatically flies down to unlock the two middle bottom columns, activating the Light Green, Light Blue, and Orange boxes.
4. Now you can safely tap the lowest grey Mystery Box in the center column; reveal its color before proceeding.
5. Guide the revealed colors into the newly unlocked central boxes, matching them carefully.

Phase three: Exploit Multiplier Gates and finish

1. Once the locks are gone, the wooden crates will eventually shatter, exposing the back corners.
2. Use the blue '2' Multiplier Gates deliberately: drop a single marble through a tube to instantly fill an empty box, but only if the box needs exactly two marbles.
3. Watch your Conveyor Belt—if a box needs only one marble, sending a doubled block will leave an extra marble stranded on the belt.
4. Clean up the back corners, matching Dark Green, White, and Purple marbles strictly front-to-back to complete the level.

Tips & tricks

• Keep your Conveyor Belt as empty as possible; every extra marble is a potential run-ender.
• Memorize the front row order (Pink, Dark Blue, Red, White) to know which colors are safe to pull early.
• Use the Multiplier Gates to your advantage, but only when the target box has enough free space to accept both marbles.

Common mistakes

• Tapping Mystery Boxes before unlocking the center—this floods your belt with unusable colors.
• Pulling Green or Light Blue too early—those boxes are locked, so the marbles sit on your belt and block progress.
• Overfilling a box with a doubled marble from a Multiplier Gate, causing spillover onto the belt.

Marble Sort Level 177 FAQ

Get the Official Game

⬇ Download Marble Sort

Back to the full Marble Sort level list.