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Tetro Tantrum

A chaotic, hand-drawn take on falling blocks. Guide tetrominoes into the well and clear lines — but every block you land comes alive, sprouting legs and arms to wander, climb and shove your neat stack into a mess. Drag them back by hand and keep clearing before the pile hits the danger line.

▶ Play Tetro TantrumMove, rotate, drop — or drag a block

How to play

Tetro Tantrum is falling-blocks with a mind of its own. Tetromino pieces drift down into the well — nudge them left and right, spin them, and drop them faster to slot each one into the gaps. Fill a whole row across and it clears in a shower of sparkles.

☠ danger line

Guide each falling piece into the well and complete a row to clear it — and keep the pile below the dashed danger line up top.

Every shape shows up

All seven classic pieces fall, each in a random crayon colour:

But every block is alive

Here's the tantrum: the moment a piece lands, it comes to life and starts causing trouble. A warning with a countdown pops over its head first — and you can grab and drag any landed block by hand to wrestle the pile back into shape.

Walker — grows legs and wanders off sideways.

Climber — clambers up the pile, toward the danger line.

Jumper — springs straight up. “BOING!”

Pusher — grows arms and shoves its neighbours aside.

Sleepy — just naps where it landed. Harmless, adorable.

Wiggler — can't sit still and jiggles in place.

Clearing splits them

A cleared line is satisfying — and messy. Any block the row cuts through gets chopped in two, and each surviving chunk becomes a brand-new little block with a fresh attitude.

A full row vanishes in sparkles — and the pieces it split become new blocks that promptly start misbehaving.

Mind the danger line

Keep the pile low

If the settled pile stays above the dashed danger line for three seconds, it's Blockout and the run ends. There's no winning — only clearing more lines than last time — so dig the pile down and don't let the climbers stack it toward the top.

Controls

◀ ▶ move · ⟳ rotate · ▼ drop faster — the on-screen buttons or the arrow keys (Space also rotates).
Drag any landed block with mouse or finger to reposition it — you can't grab the piece that's still falling.

Tips

Keep the stack low and flat — the danger line is closer than it looks.
Drag a wandering block back into a gap instead of fighting its legs.
Clear lines early; a tall pile gives the climbers a head start.
Rotate against a wall — the piece kicks itself inward if there's room.

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▶ Play Tetro Tantrum