Car Sort: Color Puzzle Level 421 Solution Walkthrough

Read the upper shelf and lower locks

The upper interior shelf begins with blue and dotted purple, while orange occupies the row below. The left half-round garage must count down before the center opens fully. The lower garages later expose cyan, green, and darker groups.

Use this route reference:

purple top-left feeder → pink top stack → red top-center → blue top-right → dotted blue-purple upper shelf → orange middle shelf → half-round release → cyan lower-left → green lower-center → dark green lower-right → yellow return → cyan and blue roof cleanup → final red-orange rows

The interior spur should be empty whenever you switch between top and bottom sources.

Clear the top feeders around the spur

Start with purple from the upper-left garage. Pink follows once purple clears the left corner. Red is next from the center roof, then blue or cyan from the far right depending on which full face is exposed.

These groups lower the half-round counter and reveal the dotted blue-purple row. Do not open the orange shelf while top markers remain. Orange uses the same interior spur from the opposite direction.

The opening checkpoint is a mostly dark top bank, an empty outer rectangle, and a complete dotted row in the center.

Empty the two interior shelves

Clear the dotted blue-purple face as the visible complete color group. If the replay shows blue first, finish blue before purple; if the face is solid purple, take purple. The crucial point is not to split the row.

Orange occupies the shelf beneath it and follows through the freed spur. Orange is a long horizontal batch. Complete it continuously and wait for the last marker to pass the lower-right corner.

These two shelves finish the half-round countdown. When the cover retracts, leave its dark bay empty until the lower locks reveal full faces.

Open the three lower garages

Cyan is the first safe lower-left group. Clear it through the empty outer road. Green follows from the middle garage, then dark green from the right if that face is complete.

Do not open all three lower garages together. Their cars merge at the same short bottom section and will queue into the interior spur. One complete column at a time preserves the newly opened half-round bay.

At the lower checkpoint, the three garages should show dark vertical spaces or solid next-layer colors, not mixed partial columns.

Finish the returning roof and shelf rows

Yellow returns as a complete top stack and should leave when the upper edge is empty. Cyan and blue can follow from adjacent roof garages. Red or orange may reappear in the interior shelves; clear whichever touches the spur first.

Pink often forms a short final group. Keep it until all broad interior rows are dark. A small color can wait safely in its feeder; a broad row cannot wait on the road.

The winning board has an open half-round garage, two dark central shelves, and uncovered lower locks. Send the final solid feeder and allow its convoy to complete the rectangle.

Check the long shelf before the bottom bank

The most important mid-game picture is the board with a solid dotted-purple band across the upper interior and a full orange band directly beneath it. Those two horizontal groups are longer than they first appear. Clear the dotted row all the way across, wait for the upper-right corner to go dark, and only then release orange. If even one dotted car remains, orange reaches the interior spur while the earlier convoy is still using it.

After orange leaves, three yellow road markers become visible along the lower edge in the replay. They are a transition signal rather than permission to empty all three bottom garages. Start with the exposed cyan column on the left. Its face should disappear from top to bottom. Green can then use the same lower bend, followed by the darker green column on the right. A dark column is the proof that the batch has been accepted; a few empty cells mixed with colored ones means the source is unfinished.

The late roof state is also distinctive: blue fills the left top feeder, pink remains tall in the center, and yellow becomes visible near the right. Use the feeder already aligned with an empty upper entrance. This prevents the returning roof cars from meeting the last green convoy at the short central spur.

Recovery at the interior spur

A blockage above the spur points to purple, pink, red, blue, cyan, or yellow from the roof. A blockage below it points to orange, cyan, green, or a lower locked garage. Match the stationary road car to its source zone.

If the half-round counter remains, one of the top feeders or the two interior shelves is incomplete. Check the face directly connected to the spur before opening a lower group.

When orange and a roof color meet, let the roof convoy finish first if it already occupies the top edge. Otherwise complete orange's long shelf. Do not add green; it enters at the worst possible lower merge.

If two lower colors are mixed, stop and complete the one closest to its destination. The open half-round bay may absorb a short pause, but it cannot hold another full column. Restart only when both matching lower faces are covered.

Level 421 is a controlled exchange between roof, interior, and bottom. Purple, pink, red, and blue clear the top; the dotted row and orange shelf open the half-round garage; cyan and green release the lower locks; then yellow, cyan, blue, red, and orange use the cleared rectangle. Keep the spur empty at handoffs and the three board zones never interfere.