Name: Pokemon Dark, Pokemon Light or Pokemon Shadow
System: Nintendo DS and 3DS
Main Character: Red, Green or Blue with their sprites.
Red - Green is your Rival and Blue is the Prof Aide
Green - Red is your Rival and Blue is the Prof Aide
Blue - Red is your Rival and Green is the Prof Aide
Region: You choose at the start, which decides the starters and who the prof is. Then after that once defeating the Elite 4 in that area you can choose where to go next.
Starter: Depends on chosen region, however at the start you choose your pokemon to save a riolu, in Light and Dark the prof takes it to look after it, in shadow you can choose to tell riolu what do and have him as your starter pokemon.
Legendary Pokemon: Mew, Mewtwo, Mewthree, Celebi, Lugia, Rayquaza, Regirock, Registeel, Regice , Regigigas, Three Legendary Birds, Three Legendary Beasts, Ho-Oh, Victini, Arceus, Xerneas, Yveltal, Darkrai.
Mewthree, Celebi and Darkrai are only available in the Shadow version.
Story: You are a young trainer on your journey to become the greatest pokemon trainer. Along the way you fight the criminal organisations specific to that region.
Pokedex: The pokemon originally in that region, when you travel to a new region you get that region upgrade and have to get them, once you have caught every pokemon from every region it is the national pokedex and you are announced the greatest pokemon master of all time.