Below are the codes for each level done with a star (100% completion).

Area 1: Stage 1: BBBBBBBB Stage 2: CBBCBBBB Stage 3: BDBFBBBC Stage 4: CDBKBBBG

Area 2: Stage 1: LBGFLBBJ Stage 2: MBGYLVBG Stage 3: LDGYMVBG Stage 4: MDGYFBBG

Area 3: Stage 1: LBB7KBBG Stage 2: MBB7KBBQ Stage 3: 4DB7KBBQ Stage 4: 5DB7KCBQ

Area 4: Stage 1: 4BG7KFBQ Stage 2: 5BG7KKBQ Stage 3: 4DG7KTBQ Stage 4: 5DG7KTB8

Area 5: Stage 1: 4BBY3TC8 Stage 2: 5BBY3TF8 Stage 3: 4DBY3TK8 Stage 4: 5DBY3TT8

All Levels 100%: 4BGY3T?8 Unlock everything + perfect minigames: !V?Y-3T?8