STACKING LABBLOCK STACKING TRAINER

TETRIS GLOSSARY

Lock delay

The time a grounded piece can remain controllable before it locks. Movement or rotation may reset the timer according to the rules, usually with a limit.

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CONTACT IS NOT LOCKING
  1. Touch the surfaceThe lock timer begins
  2. Movement windowShift or rotate if allowed
  3. Timer expiresThe piece locks

A grounded piece can still be active. Reset behavior and limits are separate rules.