Gold and Silver Versions

Release Dates
JAP	11/21/1999
USA	10/15/2000
EUR	4/16/2001

Pokémon Gold and Silver are the 2nd Generation of the Pokémon Gameboy games. Many new additions and changes were made since Red/Blue/Yellow.

Major Changes
*A whole new land - Johto
*100 new Pokémon, bringing the total up to 251
*New types - Dark and Steel
*Many new moves
*Pokémon can now hold items
*Special stat split into Special Attack and Special Defense
*Genders and breeding capability
*Real Time Clock - Hours and Days in the game can be set to be the same as time in the real world

Certain Pokémon can only be found in Gold and certain Pokémon can only be found in Silver. Also, certain Pokémon are unobtainable in both games and must be traded from Red/Blue/Yellow.
Celebi cannot be found in any of the games and can only be obtained through a Nintendo event (or a cheating device)

Gold only	Silver only
* Spinarak * Ariados * Growlithe * Arcanine * Mankey * Primeape * Gligar * Teddiursa * Ursaring * Mantine	* Ledyba * Ledian * Vulpix * Ninetales * Meowth * Persian * Delibird * Phanpy * Donphan * Skarmory
Red/Blue/Yellow only
* Bulbasaur * Ivysaur * Venusaur * Charmander * Charmeleon * Charizard * Squirtle * Wartortle * Blastoise * Kabuto * Kabutops * Omanyte * Omastar * Articuno * Zapdos * Moltres * Mewtwo * Mew