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Stackfall
Stack the falling blocks to fill and clear horizontal lines.
Goal
Survive as long as possible, scoring on every line cleared.
Controls
- ← / →Move piece left / right
- ↑ / ZRotate
- ↓Soft drop (faster fall)
- SpaceHard drop (instant)
Scoring
- Single line: 100 pts × level
- Quad clear (4 lines): 800 pts × level
- Game over when blocks reach the top — final score → stars
Keyboard & screen-reader controls
Tab to the game canvas, use the arrow keys to move the virtual pointer, press Enter or Space to activate, and hold Shift while moving to drag or draw.
Stackfall. Stack Block Lines. Tab to the game canvas, use the arrow keys to move the virtual pointer, press Enter or Space to activate, and hold Shift while moving to drag or draw.
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