Wiki duplicate
From Hard Drop Tetris Wiki
This wiki is duplicated to 2 more sites.
This wiki is called Hard Drop.
https://tetris.wiki(called Tetris Concept)
http://tetris.wikia.com/wiki/Tetris_Wiki(called Tetris Wikia)
Pages created in any of 3 pages don't copy to others.
Tetris Concept is the original. Google seems to favor Tetris Wikia.