GUIDE

Tetris: Stacking Strategies for High Scores

High scores in Tetris don't come from clearing single lines quickly — they come from setting up four-line clears, the Tetris, over and over. That means stacking flat and keeping one column open on purpose.

Stack flat, leave a well

Build your stack as level as possible across nine columns and deliberately leave the tenth empty. That empty column is your well — the slot you drop a vertical I-piece into to clear four lines at once.

Flat stack on nine columns, I-piece dropping into the well.
A flat stack with one open well, ready for a four-line Tetris.

Place the well on the side

Keep your well in one of the outer columns, not the middle. A side well only borders one part of the stack, so a misplaced piece is easier to recover from. A central well splits your board in two and doubles the ways it can go wrong.

Tame the S and Z pieces

S and Z pieces are the main cause of holes, because they can't sit flat on a flat surface. Don't force them onto level ground — lay them against a one-block step in the terrain, or hold off and place the next piece first to create a notch that fits them.

A buried hole costs you every line above it. One avoided hole is usually worth more than one extra line cleared in a hurry.

Chain back-to-back Tetrises

Once you can reliably clear four lines with an I-piece, the goal becomes rebuilding the stack fast enough to do it again before the next I-piece arrives. Keep the surface flat while you wait, never panic-clear single lines into your well, and let the I-pieces come to you. A run of back-to-back Tetrises is where the score truly climbs.

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