Use Java compatible browser and play Tetris!
Game Controls:
s - starts new game
h or cursor left - blocks move left
j or cursor up - blocks rotate
k or cursor right - blocks move right
spacebar or cursor down - drops blocks
Tetris
The cursor keys are your "arrow" keys.
The left mouse button suspends and resumes the game.

Written by Godmar Back,
University of Utah, Computer Science Department, 1995.