Levels / Level 21

First Lock

Target 80 · 7 active colors
Level details

Clear ten layers to open the sealed center landing. Reach 80 points across 7 colors. This board has 10-point lock at 0,0. The opening includes a 3-layer blue stack at -2,1.

LIVE CAMPAIGNHexa Stack
SPACE10
Score0of 80
Gates0/110 score
Whole board overview-2,0: Empty+-2,1: 3 layers, top blue3-2,2: Empty+-1,-1: Empty+-1,0: Empty+-1,1: Empty+0,-2: 2 layers, top yellow20,-1: Empty+0,0: 10 score10 score0,1: 3 layers, top purple31,-2: Empty+1,-1: Empty+1,0: Empty+1,1: Empty+2,-1: 2 layers, top red2

Overview only. Use the board below to place stacks. ! marks a fragile landing.

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 RefreshNeed 20 more energyExchange occupied stacks; matching neighbors merge only after your next placement. Needs two different stacks.

HammerNeed 16 more energyRemove one occupied stack to reopen space.

Drag the background sideways to see the whole board
Click or dragUse all 3 to refill

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 21

How to play First Lock

Clear ten layers to open the sealed center landing. Reach 80 points across 7 colors. This board has 10-point lock at 0,0. The opening includes a 3-layer blue stack at -2,1.

Hexa Stack Level 21 opening board diagram
Opening board preview for level 21
Campaign difficulty
Medium
Board cells
15
Chapter
Unlock Gates
Target score
80 cleared layers
Active colors
7

Strategy hint

Score on an outer lane first; the center unlocks at 10.

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