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Block Block Block — Mixed-Size Polyomino Line Clear

Triples, quads and pentas fall together on a wide 12×18 board — the bigger the piece, the harder it is to place. Free, no signup, and ready for a real-time battle with a friend.

Block Block Block — Mixed-Size Polyomino Line Clear Try it Free →

Features

🧩

Triples, Quads and Pentas Mixed In

Unlike a classic 4-cell falling block game, pieces here range from 3 to 5 cells across 11 shapes, so the board keeps testing your spatial sense in new ways.

📐

Wide 12×18 Board

A roomier board than the classic 10×20 gives the bigger pentablocks a fighting chance to fit — more room to plan before you commit a piece.

🎲

Balanced Weighted Bag

Every 10-piece bag mixes triples, quads and pentas in a fixed ratio and caps pentablocks at a quarter of the draw, so no run gets unfairly flooded with the hardest shapes.

🔄

Universal Rotation with Wall Kicks

Every shape — 3, 4 or 5 cells — rotates through the same geometric system with simple wall-kick nudges, so rotation feels consistent no matter which piece you're holding.

👻

Hold, Next and Ghost Piece

Stash a piece for later with Hold, plan ahead with the Next preview, and see exactly where a piece will land with the ghost outline — plus combo and Back-to-Back scoring for skilled clears.

⚔️

Invite a Friend, Compare Scores Live

Generate a battle link and play the same falling-block challenge side by side with a friend in real time, then post your best run to the global leaderboard.

How to Use

1

Watch the piece drop

A 3, 4 or 5-cell polyblock falls down the 12-wide board; check the Next panel to see what's coming after it.

2

Move and rotate to fit

Slide the piece left/right and rotate it — the ghost outline shows exactly where it will land before you commit.

3

Drop and clear rows

Soft-drop or hard-drop the piece into place; filling an entire row clears it and pushes everything above down.

4

Use Hold for tricky pieces

Stash an awkward piece with Hold and swap it back in later when the board opens up a better spot for it.

5

Chain clears for bonus scoring

Clearing rows back-to-back or combo-style racks up bonus points on top of the base line-clear score.

6

Battle a friend or top the board

Send a battle link for a live head-to-head, or submit a personal best to the global leaderboard once you top out.

Frequently Asked Questions

Is Block Block Block free to play?
Yes, completely free with no sign-up and no ads. It runs entirely in your browser — just open the page and the first piece starts falling.
How is this different from a classic block-stacking game?
Instead of only 4-cell pieces, Block Block Block mixes 11 shapes across 3, 4 and 5 cells, drawn from a weighted bag that keeps every 10-piece batch balanced and caps 5-cell pieces at a quarter of the draw. The board is also wider (12×18 instead of 10×20) to give the larger shapes room to fit, and rotation uses one universal geometric system with wall kicks that works the same way for every shape.
What are Hold and the ghost piece?
Hold lets you stash the current piece and swap it back in later — handy when a shape doesn't fit your board right now. The ghost piece is a faint outline showing exactly where the falling piece will land if you drop it immediately, so you can plan placement before committing.
Can I play with keyboard or touch?
Both. Desktop players use the keyboard for movement, rotation, soft/hard drop and Hold; mobile and tablet players get on-screen touch controls, so the same game works the same way on any device.
How does the friend battle work?
Generate an invite link, send it to a friend, and you both play the same falling-block challenge on separate boards at the same time, with live scores so you can see who's ahead as the match plays out.
Is there a leaderboard?
Yes. Runs feed a global leaderboard — reach a new personal best and you can submit your name to see how it stacks up against every other player on the site.

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