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Quad Drop

The falling-block puzzle from 1984. Turn and slide the pieces as they fall, fill a row from wall to wall to clear it, and keep the stack from reaching the top.

Quad Drop

Fill a row from wall to wall to clear it. Every ten lines the pieces fall faster.

Space to start · P to pause

How to play

← →
Slide the piece. Hold to keep sliding.
↑ X
Turn clockwise. Z turns the other way.
↓
Soft drop: fall faster, 1 point per row.
Space
Hard drop (modern rules): slam it down, 2 points per row.
C Shift
Hold the piece for later (modern rules).
P Esc
Pause. M turns the music on or off.

On a phone, use the buttons under the board, or tap the board to turn the piece.

Scoring

Single (1 line)
40 × (level + 1)
Double (2 lines)
100 × (level + 1)
Triple (3 lines)
300 × (level + 1)
Four lines at once
1200 × (level + 1)

Every 10 lines you go up a level and the pieces fall faster, just like the 1989 console version. Starting on a higher level scores more from the first line, but the first level-up waits until you've cleared enough lines to reach it. When the stack gets high, the music speeds up.

Classic or modern?

Classic plays like the 1989 console original: one next piece, no hard drop, no hold, no ghost, no wall kicks, and a piece locks the moment it lands.

Modern adds what later versions brought in: a shadow showing where the piece will land, hard drop, hold, three next pieces, wall kicks, a short pause before a landed piece locks, and a "bag" that deals all seven pieces before repeating any.