There are loads of tutorials online on how to code Tetris, like
http://cslibrary.stanford.edu/112/TetrisAssignment.pdf
I found it by searching the web for tetris board size - Google Search
There are loads of tutorials online on how to code Tetris, like
http://cslibrary.stanford.edu/112/TetrisAssignment.pdf
I found it by searching the web for tetris board size - Google Search