Screenshots
Step-by-step solution
- Start with the top tier. It asks for Light Blue, Orange, and Yellow, so clear those three before the tiers beneath them.
- Clear the Light Blue top tier first. It is the highest request and opens the tower above the belt.
- Move to Orange, then Yellow on the top. Keep the belt clear as you feed these three.
- Once the top is empty, the next tier becomes reachable. Feed its marbles into the belt.
- Work down the tower tier by tier. Red, Green, and Purple sit in the middle tiers; clear them before the bottom.
- Watch the belt count. The tower releases several marbles at once, so only feed when the belt shows one or two.
- Drain the bottom tier. With the middle gone, the trapped Pink, Brown, and White marbles can finally slide down.
- Finish the last rows. Keep the belt under three stuck marbles and the closing colors sort themselves.
Why the Tower Feels So Tall
Level 425 stacks the board as a tower of tiers, and every tier only opens after the one above it is empty. That makes the top tier your whole opening plan.
The board opens with three top tiers: Light Blue, Orange, and Yellow. Those are the only marbles you can act on at the start, because everything beneath them is locked by the tower.
The middle tiers hold Red, Green, Purple, while the bottom holds Pink, Brown, and White. None of those move until the tiers above are cleared.
Because the tower is stacked, the belt underneath stays quiet early. That is your chance to feed the top without a jam behind you.
The trap is tapping a lower tier marble too early. It is blocked, and a forced feed lands on a full belt and freezes the board.
Clear the Top Tier First
Begin with the Light Blue top tier. It is the highest request and clearing it opens the tower above the belt.
Light Blue is a base color here and appears again in the tower, so moving it early keeps that color flowing.
Next clear the Orange top tier. Orange is mid-weight and only shows on top, so remove it before the tower builds.
Finish the top with the Yellow tier. Yellow also appears at the bottom later, so getting the top Yellow done now helps the finish.
Do not touch the middle tiers yet. The top must be fully empty before any lower marble can move.
If a top marble is blocked by the tier above it, clear the upper one first. The tiers step the same way the tower does.
A clean top clear leaves three empty tiers. Those tiers are what the lower marbles will use to reach the belt.
Players fail by grabbing a middle Red too early. The top is still full, so the Red has nowhere to go and jams the belt.
Keep the belt to one or two marbles during the top phase. The top colors are easy, so there is no excuse for a pile-up.
Once all three top tiers are gone, pause. The next tier should now show its marbles, ready to feed.
The top tier is the gatekeeper of this level. Clear it patiently and the tower opens on its own.
With the top cleared, you are ready to work down the tower tier by tier.
The top is not hard — it is just the prerequisite. Respect the order and the rest follows.
By the end of this phase the board looks like a tiered tower with the top fully open. That is exactly where you want it.
The Tower Starts to Open
With the top tiers gone, the next tier of the tower is now reachable and begins to drop toward the belt.
Drain the Middle Tiers
Feed the middle tiers first. Red, Green, and Purple sit in the middle of the tower and are the natural next moves.
Red is a heavier color and only appears in the middle, so clearing it early removes a color you cannot store elsewhere.
Green is a soft color that also appears once in the tower, so send it down as soon as it is free.
Purple is the last middle tower color. With the top clear, it has a straight path to the belt.
Do not over-feed the tower. It releases several marbles and the belt fills fast, so watch the count.
If the belt already holds two marbles, wait before feeding. One more and it jams.
The middle tiers open the way to the bottom tier beneath them. Clear them in that order.
Drain the Bottom Tier
At the bottom sits Pink, Brown, and White, held by the tower above. Clear the middle first, then peel these downward.
Pink is a quiet color here and only appears at the bottom, so send it down as soon as it is free.
Brown is a calm color that appears once near the end. Clear it as it shows so it does not clog the belt.
White sits at the very bottom of the tower. It only becomes reachable after Pink and Brown are gone, so be patient.
Watch the belt here. The bottom releases a burst of marbles, so only feed when there is room.
As the bottom tier drains, the top of the board opens. The closing Yellow and Light Blue marbles can finally slide down.
Keep the belt under three stuck marbles at all times. That single rule keeps the tower from backing up.
A clean bottom drain means the tower is gone and only the top rows remain.
Do not chase the top rows yet. The bottom must be fully gone or the top marbles strand.
If a marble is blocked by the tier above it, clear the upper one first. The staircase rule holds here too.
By the time the bottom is empty, the board should be draining freely and the belt moving.
The bottom tier is the second gate. Open it in order and the top rows take care of themselves.
Finish the Last Rows
The top rows hold the last Yellow and Light Blue marbles, plus any leftover tower colors. Feed them as they become free, top first.
The closing colors sort best with an empty belt. If three marbles stick, stop and let the front boxes pull one down.
Yellow and Light Blue are the last to leave. Send them one at a time so they do not collide on the belt.
When the tower, middle, and bottom tiers are all drained, the final marbles drop straight into place.
Keep the belt under three stuck marbles at all times. That single rule wins this level.
When the last marble lands, the board clears. Level 425 is about order: top, then middle, then bottom, then finish.
If you stall, look at the belt first. A jam there freezes everything, not the tower itself.
Frequently asked questions
What is the trick to beating Marble Sort Level 425?
First empty the three upper tiers (light blue, orange, yellow), then treat the middle (red, green, violet) and finally the bottom (pink, brown, white). Since the belt jams at three marbles, always keep it at one or two.
What happens if I touch a lower tier too early on Marble Sort Level 425?
The tower will not let a tier move before the one above it is empty, so touching the bottom early locks it and jams the belt. Wait until the top is fully empty, then start with the middle.
How do I unjam the belt on Marble Sort Level 425?
Do not release a marble from the tower by force. Send the matching color into a front box to remove one marble from the belt, then resume. The golden rule is to let the tower flow from top to bottom.
In what order should I handle the tower on Marble Sort Level 425?
From top to bottom: light blue, orange, yellow, then the middle red, green, violet, then the bottom pink, brown, white. Any other order leaves the top marbles stranded and breaks the flow.
How do I clear the last rows on Marble Sort Level 425?
Send the remaining yellow and light blue plus the tower leftovers from top to bottom. Only send one marble at a time when the belt has room, and if a third falls, stop so a front box can pull one down.
Is Marble Sort Level 425 hard?
The difficulty is average. Once you understand that a tier will not move before the one above is empty, just follow top, middle, bottom, top without jamming the belt to beat it. Opening the bottom too fast jams it; order is the key.