Game

The objective of the game is to keep the level of colored blocks down
as long as possible. New blocks are falling down at an increasing
rate, blocks can be removed by creating rows of three or more blocks
of the same color. The longer the row, the more points you get.

    space       - Flip two neighbour blocks. 

    arrow keys  - Move cursor

    h,j,k,l     - Move cursor (vi-fans)

    escape      - Quit game, no questions asked.

    s           - Starts the game. If a game is in progress, a new game
    will be started instantly.

    p           - Pause game. To avoid cheating, the game will be hidden
        during pause.

    e  - Generate earthquake. This can be used as a last resort in
    case of panic, and will remove approximately 30 blocks from 
    the field. It might help you. Then again, it might not.
    Can be used once per game and costs 50 points.