Mario Kart 64 Codes -

Mirrored courses:
Win the gold cup in the 150cc class. After the Nintendo 64 is reset, the title screen will change to confirm that mirrored courses are enabled. Enter the 150cc option under GP mode to access the courses. Note that when racing the mirrored Toads' Turnpike, you will be going against the traffic.

Mario 64 castle:
Follow the yellow road to the right of the big jump on the Royal Raceway course to reach the castle from Mario 64.

View Mario Raceway record:
Press at the title screen to see the best time trial record for Mario Raceway.

Turn off music:
Press during game play to make the music softer. Do it again to turn off the music completely. Do it once more and the music will be back on. A sound will confirm correct code entry.

Course ghost racers:
Enter time trial mode and complete a course, beating the time indicated below. Then, select "Retry" to race the course again. The phrase "Now Meet the Course Ghost" will appear. The course ghosts are automatically saved to the cartridge for future replay without beating the course time again.

Course	Time
Banshee Boardwalk	2:02.4
Bowser's Castle	2:11.2
Choco Mountain	1:57.7
D.K.'s Jungle Pkwy.	2:18.6
Frappe Snowland	2:00.9
Koopa Troopa Beach	1:57.0
Luigi Raceway	1:53.9
Mario Raceway	1:31.9
Moomoo Farm	1:26.5
Rainbow Road	5:19.9
Royal Raceway	1:31.9
Sherbet Land	1:58.9
Toad's Turnpike	2:48.4
Wario Stadium	2:34.6
Yoshi Valley	2:07.0