Cheat Codes:
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

Accomplishments:
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.