Hidden menu:
Press Select + Up at the Boarders Park screen.

Play as Snowman:
Complete Competition Hard mode in first place. Alternatively, complete Freestyle mode in first place for the "Trick", "Time" and "Total" categories in all ten courses.

Play as Boss:
Complete Competition Mirror mode in first place.

Play as Gray:
Score 37.5 or greater in Half Pipe mode or by completing all the tricks in Trick mode: Master.

Bonus boards:
Enter Freestyle mode with all the tracks. Set the top record for all the tracks.

Freestyle SP board:
Complete Freestyle mode in first place for the "Trick" category in at least five courses. The board will be available in all modes except for Tour Competition.

All-Around SP board:
Complete Freestyle mode in first place for the "Total" category in at least five courses. The board will be available in all modes except for Tour Competition and Half Pipe.

Alpine SP board:
Complete Freestyle mode in first place for the "Time" category in at least five courses. The board will be available in all modes except for Tour Competition and Half Pipe.

Hard mode:
Complete all nine rounds in "Snowboarding Combined" reverse mode and achieve any ranking. Hold L1 and select "Freestyle" or Snowboarding Combined" modes to play hard versions of the courses.

Mirror mode:
Complete Snowboarding Competition mode (Snowboarding Combined in Japanese version) and enter the options screen. Press Select on controller two, then press R1 + Square at the mode selection screen.

Expert mode:
Hold L1 and press X when starting tour competition mode for increased difficulty.

Reversed courses:
Complete all nine rounds in Snowboarding Competition mode (Snowboarding Combined in Japanese version) and achieve any ranking. Hold R1 and select "Freestyle" or Snowboarding Combined" modes to play reversed versions of the courses.

Bonus course:
Finish in first place for "Time", "Trick", and "Total" in each of the nine courses to unlock a bonus tenth course.

Course select (Japanese version):
Quickly highlight the following selections in order at the mode selection screen: Board park, Option, Freestyle, One make, Snowboarding Combined, Half pipe, Freestyle and press Circle. Then, hold L1+ L2 + R1+ R2 and press Circle at the one player and two player selection screen.

Disable music:
Rapidly tap Start during game play until the music remains playing while the game is paused. Then, press Start to resume game play with no music.

Hint: MC Twiste move:
Hold Down/Right and press L1 + L2 + R1 + R2.

Hint: Spin faster: