The game board starts out blank. You can see where one electron has gone in and another has gone out:

game Screen

A likely location for an atom and the path the electron took:

game Screen

More electrons fired, all atoms placed, and the X's mark off all spaces where atoms cannot be:

game Screen

The alphabetic chipset shown, and X's only on the presumed paths of the atoms:

game Screen

We check our guesses-- Oops, should've fired one more atom to make sure (we got one wrong!):

game Screen

Another game, showing the special cursors used for keyboard play. The < cursor (lower-right) travels around the edge and fires electrons, the [X] cursor places atoms and X's on the board:

game Screen

A shot of the game in Champion mode (4 predefined game layouts available, or define your own):

game screen