Levels / Level 20

Grand Prism

Target 100 · 9 active colors
Level details

Master a long nine-color run across three shared lanes. Reach 100 points across 9 colors. The opening includes a 4-layer blue stack at -2,1.

LIVE CAMPAIGNHexa Stack
SPACE9
Score0of 100
Whole board overview-2,0: Empty+-2,1: 4 layers, top blue4-2,2: Empty+-1,-1: Empty+-1,0: 2 layers, top green2-1,1: Empty+0,-2: 2 layers, top yellow20,-1: Empty+0,0: Empty+0,1: 3 layers, top purple31,-2: Empty+1,-1: Empty+1,0: 2 layers, top orange21,1: Empty+2,-1: 3 layers, top red3

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

E 0
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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 20

How to play Grand Prism

Master a long nine-color run across three shared lanes. Reach 100 points across 9 colors. The opening includes a 4-layer blue stack at -2,1.

Hexa Stack Level 20 opening board diagram
Opening board preview for level 20
Campaign difficulty
Easy
Board cells
15
Chapter
Mastery
Target score
100 cleared layers
Active colors
9

Strategy hint

Plan by refill cycles: clear crowded lanes before the next ten layers of each color arrive.

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