Carrier Command Game System: Apple Macintosh Cheat Category: Cheat Game Company: Rainbird Game Category: Strategy Hint, Cheat, Walkthrough:   Carrier Command =============== Become invulnerable * Pause the game and type "THE BEST IS YET TO BE". Now, press the plus key on the numeric keypad. The mantas and walrus will be invulnerable except to crashing (low altitude). * Or try surrounding and press the "+" and "-" keys to cycle all through all the objects in the game.