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