Level Codes
Level 1 - IH5I
Level 2 - HZ5I
Level 3 - ZZ5I
Level 4 - 806I
Level 5 - 7KPI
Level 6 - 8JPI
Level 7 - 8RL2
Level 8 - Q8L2

Level: Turtle Drive
Start Finding Nemo and go to passwords. Type in R7L2 and after Turtle Drive comes up press start.

Level: Treatment Plant
Type QQ3H as a password.

Level: Finding Father
Type in 88MO as a password.

Final level
Enter H0C0 as a password.

Level select and all pictures in gallery
Enter M6HM as a password.