TETRIS GLOSSARY
Top out
Also called Game over · Topout
Losing because of a height-related rule, such as a blocked spawn or an out-of-bounds lock. The visible top edge alone is not a universal test. Learn the selected game's actual loss conditions.
View in the A–Z glossary →- Spawn collisionThe new piece cannot enter
- Lock above ceilingA piece locks outside the allowed area
- Garbage overflowIncoming rows push cells too high
These are different failure conditions. A tall stack is not, by itself, a universal game-over rule.