TETRIS GLOSSARY
Tetris rate
Also called Tetris percentage
The fraction of cleared lines that came from four-line clears. It describes scoring style in classic play; a high rate is useful only if the stack remains survivable.
View in the A–Z glossary →24 lines from Tetrises ÷ 40 lines = 60%Classic-style exampleShare of cleared lines, not share of placements
Illustrative numbers. Comparing results requires the same counting rules and timing conventions.