historical Level 814 board mapped by the source title to current Level 420, with a center orange counter 12, upper red/orange blocks, purple side blockers, cyan center column, and gray lower lock pieces
Color Block Jam Level 420 Solution
For Level 420, compare the opening board before you follow the moves. Open the main staging lane first, then reduce the numbered blockers without covering the matching exits. The reviewed source reaches completion evidence around 4:20.
Compare your opening board
Which video shows the Level 420 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.
| Time | What to confirm |
|---|---|
| 0:10 | The first gameplay frame shows the visible historical Level 814 badge for the Level 420 (814) source, with center orange counter 12, upper red/orange blocks, purple side blockers, cyan center column, and gray lower lock pieces. |
| 1:10 | Around 1:10, the orange center counter has dropped to 4 and the cyan center lane is becoming clearer. |
| 2:10 | Around 2:10, the first solve segment has cleared the board before replay begins. |
| 4:10 | During replay around 4:10, only a few orange, purple, green, and gray pieces remain. |
| 4:20 | The replay route reaches a fully cleared board around 4:20, confirming the mapped Level 420 solution clears the historical 814 layout. |
Start from the mapped Level 420 opening that visibly shows historical Level 814 with orange center counter 12, upper red/orange blocks, purple side blockers, cyan center column, and gray lower lock pieces.
Checkpoint: The board matches the reviewed Level 420 (814) mapped layout.
Watch at 0:10Open the upper purple side blocker before lowering the orange center counter.
Checkpoint: The side blocker has a staging lane.
Watch at 0:20Move the cyan center column after the orange counter drops enough to expose the middle.
Checkpoint: The center column can slide safely.
Watch at 0:40Reduce the orange center counter to the midgame values while keeping the lower gray lock reachable.
Checkpoint: The center is more open and the lower lock route remains usable.
Watch at 1:10Shift the green side piece through the opened middle without covering the purple exit.
Checkpoint: The purple exit stays open.
Watch at 1:30Move the orange horizontal piece away from the lower lock area.
Checkpoint: The lower lock is no longer sealed.
Watch at 1:50Finish the first segment to a cleared board, then use the replay as confirmation.
Checkpoint: The first solve clears the same mapped layout.
Watch at 2:10In replay, clear the purple and green side pieces before moving the gray lock pieces.
Checkpoint: Only a few final pieces remain.
Watch at 3:40Move the final orange, purple, green, and gray pieces through matching exits.
Checkpoint: The board is nearly cleared.
Watch at 4:10Confirm the mapped Level 420 route reaches a fully cleared board.
Checkpoint: The board is cleared for the mapped Level 420 route.
Watch at 4:20
Which evidence verifies the Level 420 walkthrough?
Each row links a visible gameplay fact to the walkthrough frame used to check it.
| Fact | Source role | Timestamp | Checked |
|---|---|---|---|
| The first gameplay frame shows the visible historical Level 814 badge for the Level 420 (814) source, with center orange counter 12, upper red/orange blocks, purple side blockers, cyan center column, and gray lower lock pieces. | CherieGaming walkthrough evidence | 0:10 | July 17, 2026 |
| Around 1:10, the orange center counter has dropped to 4 and the cyan center lane is becoming clearer. | CherieGaming walkthrough evidence | 1:10 | July 17, 2026 |
| Around 2:10, the first solve segment has cleared the board before replay begins. | CherieGaming walkthrough evidence | 2:10 | July 17, 2026 |
| During replay around 4:10, only a few orange, purple, green, and gray pieces remain. | CherieGaming walkthrough evidence | 4:10 | July 17, 2026 |
| The replay route reaches a fully cleared board around 4:20, confirming the mapped Level 420 solution clears the historical 814 layout. | CherieGaming walkthrough evidence | 4:20 | July 17, 2026 |
Common mistakes
- Do not treat the on-screen 814 badge as current Level 420; it is the mapped historical layout.
- Do not lower the orange counter before the purple side blocker has room.
- Do not cover the gray lower lock route while moving the cyan center column.
Frequently asked questions
Does the linked source complete Level 420?
The reviewed source shows the board fully cleared around 4:20, although the sampled frames do not show a reward panel at that moment.
What should I compare before following the steps?
Compare the historical 814 badge, orange center counter 12, upper red/orange blocks, purple side blockers, and cyan center column.
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?
If your board does not match this opening, especially Compare the historical 814 badge, orange center counter 12, upper red/orange blocks, purple side blockers, and cyan center column., use the level search or range directory before following these moves.
Wrong level?