The concept of Pokemon Deluge codes is by entering different types of code to execute an effect. Like change your character's appearance, have unlimited money and catch any pokemon you like involving legendary pokemons.
The concept of Pokemon Deluge walkthrough is by guiding you to finish the game in the right path. It is like a Pokemon Deluge Map. This walkthrough will give you hints and tips.
If you don't mind you can read this post by DeejGeek entitled Pokemon Deluge Cheats,Codes, Walkthrough
Just enjoy the game and have fun!