Color Block Jam Level 400 Solution

For Level 400, open the staging pocket first, then move the center blockers without covering the exit lane. Delay the upper stack until the middle corridor is clear. The reviewed source reaches Level Complete around 2:10.

Compare your opening board

left cyan side pocket with center pink arrow and 14/9/7 countdowns

Color Block Jam Level 400 left cyan side pocket with center pink arrow and 14/9/7 countdowns opening frame
Opening frame from CherieGaming's linked walkthrough. Compare your board before following the moves. Watch the source video.

Which video shows the Level 400 solution?

10 timestamped steps

Step-by-step solution

Use each checkpoint to confirm that your board still matches the walkthrough.

Key checkpoints

Use these moments to confirm that your board still matches before continuing.

TimeWhat to confirm
0:10The first gameplay frame shows a visible Level 400 badge with Level 400 board with a left cyan side pocket, center pink arrow block, countdowns 14/9/7, and right yellow/orange exit stack.
1:00Around 1:00, the first center corridor has opened while the key side pocket remains usable.
1:30Around 1:30, the route has reached the main cleanup phase with fewer blockers in the center.
2:00Around 2:00, only a smaller late cluster remains and the exit lanes are still open.
2:10The Level Complete panel is visible around 2:10, confirming the route clears Level 400.
  1. Start from the Level 400 opening with Level 400 board with a left cyan side pocket, center pink arrow block, countdowns 14/9/7, and right yellow/orange exit stack.

    Checkpoint: The board matches the reviewed Level 400 layout.

    Watch at 0:10
  2. Open the first side pocket before moving the central stack.

    Checkpoint: A staging pocket is available and the center is not sealed.

    Watch at 0:20
  3. Shift the central vertical pieces so the lower lane can breathe.

    Checkpoint: The center has a visible gap for the next move.

    Watch at 0:30
  4. Move the nearest horizontal blocker into the side space instead of pushing it into the exit lane.

    Checkpoint: The exit lane remains open.

    Watch at 1:00
  5. Reduce the numbered blockers in the middle while keeping the lower pieces staged.

    Checkpoint: The countdowns have dropped and the lower route is still usable.

    Watch at 1:15
  6. Clear the upper stack only after the middle corridor stops crowding the board.

    Checkpoint: The upper pieces can leave without re-blocking the center.

    Watch at 1:30
  7. Route the remaining right-side pieces through their matching side exits.

    Checkpoint: The right side is mostly open.

    Watch at 1:45
  8. Move the final lower pieces after the center opens.

    Checkpoint: Only a compact final group remains.

    Watch at 2:00
  9. Finish the last color-matched cleanup sequence.

    Checkpoint: The board is ready to trigger completion.

    Watch at 2:10
  10. Confirm the Level Complete panel for Level 400.

    Checkpoint: Level Complete is visible for Level 400.

    Watch at 2:10

Which evidence verifies the Level 400 walkthrough?

Each row links a visible gameplay fact to the walkthrough frame used to check it.

FactSource roleTimestampChecked
The first gameplay frame shows a visible Level 400 badge with Level 400 board with a left cyan side pocket, center pink arrow block, countdowns 14/9/7, and right yellow/orange exit stack.CherieGaming walkthrough evidence0:10July 17, 2026
Around 1:00, the first center corridor has opened while the key side pocket remains usable.CherieGaming walkthrough evidence1:00July 17, 2026
Around 1:30, the route has reached the main cleanup phase with fewer blockers in the center.CherieGaming walkthrough evidence1:30July 17, 2026
Around 2:00, only a smaller late cluster remains and the exit lanes are still open.CherieGaming walkthrough evidence2:00July 17, 2026
The Level Complete panel is visible around 2:10, confirming the route clears Level 400.CherieGaming walkthrough evidence2:10July 17, 2026

Common mistakes

  • Do not close the first side pocket before the center blockers move.
  • Do not move the upper stack into the middle before the countdown blockers are reduced.
  • Do not route the final lower pieces until the exit lane is clearly open.

Frequently asked questions

Does the linked source complete Level 400?

Yes. The Level Complete panel is visible around 2:10.

What should I compare before following the steps?

Compare the opening board: left cyan side pocket with center pink arrow and 14/9/7 countdowns.

Is a Hard or Very Hard label visible?

No. The reviewed frames do not show a readable in-game Hard or Very Hard label for this level.

Wrong layout?

This guide matches the Level 400 board with Level 400 board with a left cyan side pocket, center pink arrow block, countdowns 14/9/7, and right yellow/orange exit stack. If your opening board, exits, or historical level label differ, use this page only as a reference.

Wrong level?

Linked YouTube source