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.