Power Rangers Samurai (Wii)
Select "Options" at The Shiba House main menu, then select "Secrets". Enter one of the following codes to activate the corresponding cheat function.
More Symbol Power replenished
Enter CYCLE95627 as a code.
Use any Power Ranger in any level
Complete the game by defeating the Bosses at the end of mission 15. Allow the credits to complete. On your next playthrough you can select any level and use any ranger there.