A clone of the arcade classic Defender. Patrol a landscape blasting
aliens before they can abduct humans.

 * Left Shift key moves ship down, Tab key moves ship up
 * Single quote (') thrusts, and Return fires
 * Command key reverses
 * Option key is hyperspace
 * Enter key releases a smart bomb
 * Space bar pauses
 * 0?7 sets volume

The same author also turned Missile Command into [Mac Missiles][1],
and wrote versions of both games for the Xerox Alto (which are highly
praised by both people to have mentioned them on the internet).

Compatibility
Architecture: 68k

Not compatible with SSW 7.

  [1]: http://macintoshgarden.org/games/mac-missiles