Lumines 2 Cheats

Unlock additional characters
Additional characters can be unlocked by the following methods:

1st three Time Attack characters (3 characters): Beat Time Attack 60s with an S+ rank
2nd three Time Attack characters (3 characters): Beat Time Attack 180s with an S+ rank
3rd three Time Attack characters (3 characters): Beat Time Attack 300s with an S+ rank
CPU Mode characters(10 characters): Beat a CPU character to unlock them
final three Time Attack charaters (3 characters): Beat Time Attack 600s with an S+ rank
Skin Edit Mode characters (2 characters): Beat Skin Edit-single lap with an S rank

Unlocking Special Skins
These are the skins that are not unlocked via the 3 Challenge modes:

45 Degrees, Please return my CD skins: Complete 1 and 2 laps of Challenge mode S respectively
Chinese Restraunt skin: Reach 10 hours Play time
Fanatic, SLIPPING skins: Complete 1 and 2 laps of Challenge mode A respectively
Machine Interface, BRASH skins: Finish mission mode very hard(missions 31-50)
Manager class,Elect.M.G.R skins: Finish Puzzle mode easy(puzzles 71-100)
Mekong skin: Finish Puzzle mode hard (puzzles 41-70)
neodimium skin: Complete 1 lap of challange mode Enduro
Prime Factor skin: Finish Puzzle mode easy(puzzles 1-40)
The spy loves me skin: Finish mission mode hard(missions 16-30)
Tin Toy, RODENT skins: Complete 1 and 2 laps of Challenge mode B respectively
Water,Flower & Lights skin: Finish mission mode easy(missions 1-15)
Xop skin: Reach 20 hours Play time