Levels / Level 4

Color Underneath

Target 30 · 3 active colors
Level details

Trigger the first exposed-color continuation. Reach 30 points across 3 colors. The opening includes a 3-layer blue stack at 1,0.

LIVE CAMPAIGNHexa Stack
SPACE4
Score0of 30
E 0
?
Tools at a glance

UndoNo action to undoRestore the last action. Limited uses; no energy cost.

Tray RefreshNeed 8 more energyReplace the remaining stacks in your hand.

Board RefreshUnlocks at level 14Exchange occupied stacks; matching neighbors merge only after your next placement. Needs two different stacks.

HammerUnlocks at level 8Remove one occupied stack to reopen space.

Click or dragUse all 3 to refill
New: Tray Refresh replaces your remaining hand. It costs 8 energy; clears earn 1 per layer.

Click a stack then choose an empty hex, or drag it directly onto the board.

Move 0 · Clear at 10+
1–3 select · Arrows move · Enter place · U undo · R restart · M sound

Hexa Stack puzzle level 4

How to play Color Underneath

Trigger the first exposed-color continuation. Reach 30 points across 3 colors. The opening includes a 3-layer blue stack at 1,0.

Hexa Stack Level 4 opening board diagram
Opening board preview for level 4
Campaign difficulty
Easy
Board cells
7
Chapter
Reveals
Target score
30 cleared layers
Active colors
3

Strategy hint

A lower color joins the same chain as soon as its top layer clears.

Need the core rules? Read the how-to-play guide.