Destroy aliens before your fuel runs

   out, repair buildings and capture

 critters to trade for fuel and repairs

Button 0 for joystick game
Spacebar for keyboard game


Up  Down    Fire    Fuel   Left    Right
 A   Z    spacebar    F     <        >

Repair buildings, capture aliens:
  R   or   button 0 and 1 simultaneously


Esc* * * * * * * * * * * * * * * * pause

Ctrl-C * * * * * * * * * * redefine keys

Ctrl-R * * * * * * * * * *  restart game

Ctrl-S * * * * * * * * * *  toggle sound
[eof]