Arctic Thunder
Boost Mode
At the mode select screen, press the following combination of buttons: O, R1, R1, O, R2, Start.
No Drones
At the mode select screen, press the following combination of buttons: Square, Square, O, O, L1, R1, Start.
Atomic Snowballs
At the mode select screen, press the following combination of buttons: Square, Square, Square, L1, O, Start.
All Invisible
At the mode select screen, press the following combination of buttons: Square, O, Square, R2, O, O, Start.
Super Boosts
At the mode select screen, press the following combination of buttons: O, L1, Sqarue, R2, Square, L2, Start.
Rooster Mode
At the mode select screen, press the following combination of buttons: R1, R2, L2, L1, Square, Start.
Grappling Hooks
At the mode select screen, press the following combination of buttons: O, O, L2, O, O, L1, Start.
Snow Bombs
At the mode select screen, press the following combination of buttons: O, O, R1, R2, Start.
Expert Mode
At the mode select screen, press the following combination of buttons: O, Square, O, O, Square, Start.
Invisibility
At the mode select screen, press the following combination of buttons: Square, O, R2, O, O, Start.
Random Power Up Locations
At the mode select screen, press the following combination of buttons: R1, R2, Square, O, R1, R2, Start.
No Power Ups
At the mode select screen, press the following combination of buttons: Square, Square, O, Square, R2, Square, Start.
Clone Mode
At the mode select screen, press the following combination of buttons: L1, L2, L2, O, L1, O, Start.
Unlock Snowman
Earn gold medals on all 12 tracks.
The database at Game Oak contains more information regarding Arctic Thunder for Sony PlayStation 2.