🟦Block Stack
Classic falling-block stack & clear — rotate, line up, score big
Score
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Best
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Lines
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Block Stack
Move and rotate falling blocks to fill and clear lines!
←/→ move, ↑ rotate, ↓ soft drop, Space hard drop — or use the touch buttons. Filling the top ends the run.
How to Use
FAQ
Is this Tetris?
It is the same classic falling-block genre, branded here as Block Stack to avoid trademark issues.
What is hard drop?
Space (or ↓) locks the piece at the lowest valid cell instantly.