Soft drop

Related terms

• Hard drop →

  Immediately drop the piece to the lowest reachable position in its column and lock it. You cannot rotate or slide it afterward; use a non-locking drop when a tuck needs another input.

• Sonic drop →

  Drop instantly to the landing surface without immediately locking. You can then rotate or slide if the rules and remaining lock time allow it. It is not the same as hard drop.

• SDF →

  The soft-drop speed setting. Stacking Lab uses zero to mean infinite, giving an instant non-locking descent. Other games may label infinity differently or calculate the factor against a different speed baseline.