Activate the following cheats by entering the corresponding code at the "Code Entry" option of the"Extras" menu:
CHEAT FUNCTION - CHEAT CODE Maisy character and Insane difficulty - 837367 Rivet character and Riveter gun - 121213 Max's second costume - 112969 Maisy's second costume - 134787 Rivet's second costume - 941233 All character's third costumes - 431154 Additional Pea Shooters - 691472 Song Pack 1 - 426883 Song Pack 2 - 158833 Song Pack 3 - 164296 Song Pack 4 - 632567 Song Pack 5 - 874654 Concept Art Pack 1 - 444436 Concept Art Pack 2 - 534774 Concept Art Pack 3 - 141814 Concept Art Pack 4 - 938158 Concept Art Pack 5 - 832681
Unlock the following accomplishments by performing the corresponding tasks:
ACCOMPLISHMENT - HOW TO UNLOCK 1 - Receive Five Fold Ranks. 2 - Receive Ten Gold Ranks. 3 - Receive Twenty Gold Ranks. 4 - Receive Thirty Gold Ranks. 5 - Receive Forty Gold Ranks. 6 - Get 10,000 Points in a Level. 7 - Get 15,000 Points in a Level. 8 - Get 25,000 Points in a Level. 9 - Get 50,000 Points in a Level. 10 - Get 75,000 Points in a Level. 11 - Kill all Scorpions in a Level. 12 - Beat Level with Pea Shooter only. 13 - Defeat a Centipede before it can escape. 14 - Beat a Boss in under 2 minutes. 15 - Stomp 25 Enemies in a Level. 16 - Never lose a Tower in a Level. 17 - Beat the game on Normal / Hard.