Win all gold medals in the men's events in championship mode. Press L1 or R1 at the character selection screen to access the costume. Using this costume will disqualify you from winning medals or setting records.
Big Heads In K120 Event
Press L1, R1, L1, R1, L1(2), R1, L1 before the K120 event starts.
Big Heads In K90 Event
Press R1, L1, R1, L1, R1(2), L1, R1 before the K90 event starts.
Big Heads In Mogul Event
Press Up(2), Down(2), Left, Right, Left, Right, L1, R1 before the Mogul event starts.
Penguin Costume
Win all gold medals in the women's events in championship mode. Press L1 or R1 at the character selection screen to access the costume. Using this costume will disqualify you from winning medals or setting records.
Robot Costume
Win all gold medals in the men's and women's events in trial mode. Press L1 or R1 at the character selection screen to access the costume. Using this costume will disqualify you from winning medals or setting records.