Virus


 CHEAT MODE:

 Hold down [Enter] on the keypad and press [P] to pause the game.
 Now with your finger still on [Enter] press [O] to unpause the game.
 This will enable the following keys:

 [F] - Replenish fuel.
 [o] - Activates demo mode.
 [L] - Extra life.
 [C] - Toggle special FX on/off.
 [D] - Demo on/off.
 [N] - Toggle cheat on/off.