Character sets
Successfully complete the indicated task to unlock the corresponding character set:
CPU Mode set: (10 characters): Defeat a CPU character.
Skin Edit Mode set (2 characters): Successfully complete Skin Edit-single lap with an "S" rank.
Time Attack set 1 (three characters): Successfully complete Time Attack 60s with an "S+" rank.
Time Attack set 2 (three characters): Successfully complete Time Attack 180s with an "S+" rank.
Time Attack set 3 (three characters): Successfully complete Time Attack 300s with an "S+" rank.
Time Attack set 4 (3 characters): Successfully complete Time Attack 600s with an "S+" rank.
Character skins
Successfully complete the indicated task to unlock the corresponding character skin:
45 Degrees: Successfully complete one lap of Challenge mode S.
Brash: Successfully complete Mission mode on the Very Hard difficulty setting (missions 31 to 50).
Chinese Restaurant: Accumulate ten hours of game play time.
Elect.M.G.R: Successfully complete Puzzle mode on the Easy difficulty setting (puzzles 71 to 100).
Fanatic: Successfully complete one lap of Challenge mode A.
Machine Interface: Successfully complete Mission mode on the Very Hard difficulty setting (missions 31 to 50).
Manager class: Successfully complete Puzzle mode on the Easy difficulty setting (puzzles 71 to 100).
Mekong skin: Successfully complete Puzzle mode on the Hard difficulty setting (puzzles 41 to 70).
Neodimium: Successfully complete one lap of Challenge mode Enduro.
Please Return My CD: Successfully complete two laps of Challenge mode S.
Prime Factor: Successfully complete Puzzle mode on the Easy difficulty setting (puzzles 1 to 40).
Rodent: Successfully complete two laps of Challenge mode B.
Slipping: Successfully complete two laps of Challenge mode A.
The Spy Loves Me: Successfully complete Mission mode on the Hard difficulty setting (missions 16 to 30).
Tin Toy: Successfully complete one lap of Challenge mode B.
Water, Flower, and Lights: Successfully complete Mission mode on the Easy difficulty setting (missions 1 to 15).
Xop: Accumulate twenty hours of game play time.