A cow mooing
If you get a high score and enter the initials MOO, Skull will say "Moooo!" after you get the credit(s) from the high score.
Effect Code A Cow will Mooo! Enter initials, "MOO"
During Attract mode, press the following sequence: B, 18L, 1R, 3L, 1R, 6L, 1R. That spells RCF and shows the credits for Attack from Mars.
Effect Code See Credits In Attract mode, press B, 18L, 1R, 3L, 1R, 6L, 1R.
Press Launch button during Video mode to clear screen (works only once).
Effect Code Smart Bomb Press launch button during Video mode
Shoot the same Martian during Martian Multiball five times consecutively. Skull from No Fear appears saying "Again!"
When not actually playing the pinball game (by that I mean not having the ball going through the machine, the machine is just idle), press one of the flipper buttons and the machine will say something comical like ''Make me cookies!'' in a Martian voice.
Contributed By: Oni Lukos.
Cow Video Mode
Shoot the ball on the Big-O-Beam ramp on the left and then press the launch button when you hear a cow. The second time you get Video Mode after this, you don't attack UFO's but cows.
Hold both flippers and the launch buttons for 15 seconds before pressing Start. This will let you enter Tournament Mode.
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