Block Out: How to Clear Levels 203 and 204

To clear levels 203 and 204 in Block Out, focus on exposing and clearing bottom-row blocks early while preserving at least one fully empty tube to maneuver trapped colors. Keeping a free tube gives you the flexibility needed to isolate top colors and move matching blocks into dedicated columns without causing a deadlock.

Clearing Base-Layer Blocks

Evaluate column foundations before making your initial moves. Bottom-layer blocks determine which colors remain trapped, so clearing base rows creates vertical space for shifting upper blocks.

• Check the bottom color of each tube prior to your first move.
• Target columns where base blocks are most accessible to clear a foundation early.
• Avoid building mixed stacks over deep, mismatched base colors.

Tube Vacancy and Space Management

An empty tube serves as a temporary staging slot for reorganizing obstructed stacks. If all tubes become occupied with mixed colors, your movement options shrink significantly.

1. Establish an empty slot: Clear one full tube as early as possible to create a dedicated maneuvering space.
2. Shuttle blocking pieces: Use the empty slot to temporarily park single blocking colors out of the way.
3. Consolidate columns: If no empty tubes remain, consolidate matching top colors into a single column to free up a slot.

Isolating Top Colors to Prevent Deadlocks

Deadlocks occur when incompatible block layers block access to matching colors underneath. Isolating matching colors at the top of columns allows you to transfer them efficiently into single-color tubes.

• Work on one color target at a time rather than shifting blocks randomly across multiple tubes.
• Clear exposed top colors into matching tubes before attempting deeper stack shifts.
• Keep isolated colors organized in designated lanes to avoid scattering single blocks across four or five columns.

Planning Late-Game Sorting Moves

The final phase of levels 203 and 204 requires careful, deliberate placements. Impulsive moves when only two or three colors remain on the board can lead to sudden soft-locks.

• Pause when only a few mixed colors remain on the board.
• Plan the sequence of your next two moves before transferring a block into your open slot.
• If a move leaves a color trapped, shift the top block back into an empty staging tube immediately to restore board flow.