Move & rotate pieces to form lines. Complete lines to beat the goal; beat the goal to level up. Earn bonuses for clearing multiple lines. Game ends when piece can't enter the playfield. Soft drop makes the piece fall faster. Hard drop makes the piece fall instantly. Hold key puts the piece in hold area for later use.

move: 
left, 4; right, 6

spin: 
counterclockwise: *, 1, 9
clockwise: fire, #, 3, 5, 7

drop: 
hard: up or 2
soft: down or 8

hold: 0

pause: softkeys

Efficiency is percentage of a perfect game. A perfect game is all hard drops from the top of the screen & scoring all tetrises.Power rating = your efficiency and your score versus the theoretical maximum score at 15 levels with 100% efficiency rating. Earn points for clearing lines, the more lines cleared at once the more points scored. 

1 line = 100 pts
2 lines = 300 pts
3 lines = 500 pts
tetris (4 lines) = 800 pts
back to back tetris = 1200 pts
soft drop = 1 pt / cell dropped. 
hard drop = 2 pts / cell dropped. 
lose 1 point to move a piece after it has touched down. 
level bonus = higher levels score higher.

Tetris(R); (C) Elorg Company, LLC 1987-2002
Tetris Logo created by Roger Dean; (C) 1997 The Tetris Company 1997
All Rights Reserved
Original Concept & Design by Alexey Pajitnov
Tetris(R) licensed to The Tetris Company and sublicensed to iFone.