Marble Sort Level 143 Walkthrough & Solution

Level 143 Board Overview: Mystery Tiles and a Left-Side Crate

Level 143 opens with a tray scattered with ’?’ mystery tiles and a wooden crate planted in the left column. The mystery tiles sit through the middle of the board and mostly conceal Light Blue marbles, while the crate locks away part of the left stack until the columns around it clear. A few more crates near the center-right hide marbles on the opposite side, so the full board only reveals itself as you play.

The Conveyor Belt starts friendly, then turns hostile: the first marble is Purple, followed by a long run of Yellows. Early receiver Boxes ask for Light Blue, but the belt keeps pushing Purple and Yellow at you — the classic setup for a jam.

The receiver wall is deep in the opening, and it cycles hard once the first Boxes fill. Orange, Green, White, and Pink Boxes take over mid-solve, while the dark colors — Red, Dark Blue, and Black — only get homes in the final stretch. A locked Box at the right end of the receiver wall stays sealed until the Boxes around it fill, which decides how the ending plays out.

The Trap in Marble Sort Level 143

• ’?’ tiles that hand you free Light Blue: Most mystery tiles reveal Light Blue, and they sit right in the middle of the tray. Tap them all at once and you flood the belt before the Light Blue Boxes clear.
• Purple-and-Yellow conveyor bait: The belt opens with Purple and a run of Yellows, but there is no early Box for either. Parking them on the belt eats space you need for Light Blue.
• The left crate: The crate seals part of the left column. The marbles behind it stay hidden, so you cannot plan around them — you have to clear the visible stack first.
• Late dark colors: Red, Dark Blue, and Black hang around the center-right until the final Boxes arrive. Releasing them early is a dead-end.

Marble Sort Level 143 Step-by-Step Walkthrough

Stay loose and read the belt before every tap.

Opening: work the ’?’ tiles

1. Tap the Light Blue marbles revealed by the ’?’ tiles into the open Light Blue Boxes as they come forward.
2. Keep the Conveyor Belt moving by feeding Light Blue before it backs up.
3. Do not touch the Purple or the Yellows waiting on the belt — they have no Boxes yet.
4. Clear the columns beside the left crate to reveal what it hides; the crate releases its marbles once the stack around it drops.
5. Keep the middle columns shallow — the mystery tiles refresh the tray with more Light Blue as you play.

Midgame: the color swap

6. Once the Light Blue Boxes clear, the receiver wall shifts to Orange, Green, White, and Pink.
7. Feed the Orange from the top of the left stack into the fresh Orange Boxes — there are several.
8. Clear the White marbles into their Boxes as soon as they appear; they fill fast and free up space.
9. Let Green ride down in chains — Green Boxes open in both the middle and the top rows.
10. Give Pink its Box too; feed it in singles rather than letting it pile up on the belt.
11. Avoid the dark colors still sitting near the center-right — their Boxes have not arrived yet.

Cleanup: dark colors finish

12. When the Red, Dark Blue, and Black Boxes finally reach the front, the tray is nearly empty.
13. Feed the dark marbles from the remaining columns in matching pairs and triples.
14. Watch the locked Box at the right end of the wall — once the Boxes beside it complete, it unlocks and takes its color.
15. Check the belt before every tap in the final run so the last few marbles cannot jam.

Level 143 Tips Recap

• ’?’ tiles mostly hand you Light Blue — spend those on the belt, not the Purple and Yellow waiting behind them.
• The conveyor’s opening Purple-and-Yellow run is bait; keep it moving by clearing their colors’ Boxes when they finally arrive.
• Clear the crate’s column before planning the center — the hidden marbles decide the midgame.
• Save Red, Dark Blue, and Black for the end; their Boxes arrive last, and the locked Box on the right unlocks in the cleanup phase.