Pokémon Crystal

Pokémon Crystal is a title in the Pokémon series of RPGs for the Game Boy Color. An enhanced remake of Pokémon Gold and Silver, Crystal was released December 14, 2000 in Japan and July 21, 2001 in North America. Crystal was followed by 2003's Game Boy Advance titles Pokémon Ruby and Sapphire. Pokémon Crystal was optimized to be playable only on the Game Boy Color.

Major New Features

 * New Pokémon animations
 * The chance to choose to be a boy or a girl in game
 * A slightly different storyline
 * Two new quests, one with Suicune and one involving the ruins of Alph.

Additional Minor Improvements

 * A new Battle Tower located west of Olivine city
 * New ways to catch Ho-oh, Lugia, and Suicune
 * Many pokémon have move changes
 * The Day Care Lady gives you an Odd Egg; the Pokémon in it has a special move as well as a 50% chance of being shiny
 * When you enter a certain area, a sign will appear at the bottom of the screen telling you where you are
 * New Mobile Adapter (only for Japanese version)
 * A way to get Celebi using the GS ball (only for Japanese version)
 * Introduces the very first Move tutors
 * New function in the Pokegear called Buena's Password
 * Phone calls from other Trainers are now more detailed, and won't always ask to battle. Some of them will even give you evolution stones for free if they call you
 * A new photographer appears in Cianwood City; he takes a picture of your Pokémon that you can print out
 * In-game trades has been changed
 * Cave graphics have been updated; the Ice Cave and Dragon's Den has changed quite a bit