In the options menu, hold both triggers and press the following buttons:
Effect Code 2D Cardboard People XXXX Cars in Slow Motion YYYY Christmas Apu BBXB Debug Mode BBAA Drive at Night AAAA Drive Nuclear Bus BBYA Drive Red Soapbox Car BBYX Halloween Bart BBXA Happy New Year Krusty! BBXY Marge's Thanksgiving Car BBXX More Camera Views YYYY Overhead View XXXY Play as Smithers BBYY Stop Watch Mode XBYA
New Car for Homer
Play through and complete all Missions and you get ''The Car Built for Homer'' from the episode where Danny Devito was Homer's brother and Homer designed a car for his company.
Contributed By: orlock.
Hidden Holiday Cars
Set the system date/clock to Christmas (December 25th) and you will be able to play as a Santa Apu.
Set the system date/clock to New Years Day (January 1st) and you can play as Tuxedo Krusty.
Set the system date/clock to Thanksgiving (3rd Thursday of November) and you can play as Pilgram Marge.
Set the system date/clock to Halloween (October 31st) and you can play as Frankenstein Bart.
Contributed By: Caution.
Skip every mission(play the mission by trying it 5 times) and then beat the tenth mission. Then you will have beaten every mission and get the car built for homer.
Contributed By: Peguin88.
Know Something We Don't?
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