TETRIS GLOSSARY
Line clear gravity
Also called Naive gravity · Row-shift gravity
How the board settles after rows disappear. Under ordinary row-shift rules, rows move down by the number cleared below them; unsupported blocks can remain suspended. Cascade variants use different settling behavior.
View in the A–Z glossary →BEFORE CLEAR
AFTER CLEAR
Ordinary line-clear gravity shifts rows down. It does not make every unsupported block fall to the floor.