The Pokedex is a function under the Main Menu. Like other Pokemon games, it records the data of Pokemon. But in Creed, the pokedex is complete, and you can see the pokemons colored forms like, Luminous Pokemon, Cursed Pokemon, Golden Pokemon, Shiny Pokemon, and Shadow Pokemon.
You can submit Pokedex entries if you own the pokemon and are the original owner of it.At 400 entries you have access to the breeding center.At 400 and 700 Dex entries you can unlock the 'Pokedex Brain' and the 'Pokedex God' userbars. The only person to have unlocked the 'Pokedex God' userbar as of now is Catcherpro.