Space Ace

Start a game and lose all your lives. When the Continue screen appears, hold Left until the cursor moves to the upper left and press Button 2 four times. Hold Right until the cursor moves to the right side of the screen and press Button 2 three times. Hold Left until the cursor returns to the left-hand side and press Button 1 once.

Lose all lives to display the continue screen with the "yes" and "no" choices to play again. At this screen, hold Left until the pointer is at the top left and press Button 2 four times, hold Right and press Button 2 three times, then hold Left and press Button 1 once. Move completely to either side of the screen before pressing either button. A screen that allows any level from 1 to 13 to be played will appear.

Unlimited lives:
Do not press any buttons until the opening screen with the phrase "press any button to play" appears after the introduction sequence and the high scores. At this screen, hold Left and press Button 2 four times, hold Right and press Button 2 three times, then hold Left and press Button 2 once. Move completely to either side of the screen before pressing Button 2. This code may also be entered on the continue screen with the "yes" and "no" choices to play again. Note: Scores obtained while this code is enabled will not appear on the high score screen.
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