Here is the full list of all 15 TWINKLE STAR SPRITES achievements.
Perform a 15 Hits Combo (solo)
Play with a friend (local or online)
Perform a MAX Hits Combo (solo)
Play with all characters (secrets too) (solo)
Complete a level with full life (solo)
Throw 50 "bombs" (character or story mode)
Defeat Mevious (Story mode)
Defeat Memory (Story mode)
Reach a score of 1 000 000 (solo)
Complete the Story mode (any difficulty)
Win 5 straight games in multiplayer mode (locale or online)
Perform 30 "Boss Attack" (solo, charged attack only)
Complete the game with all characters (character mode)
Launch 100 charged attacks (solo)
Complete the game using less than 10 credits (solo)