Pokemon FireRed Cheat

Unlockable How to Unlock
Hall of Fame Sticker #1 - Beat The Elite Four One Time
Hall of Fame Sticker #2 - Beat The Elite Four Fourty Times
Hall of Fame Sticker #3 - Beat The Elite Four One Hundred Times
Hall of Fame Sticker #4 - Beat The Elite Four Two Hundred Times
Egg Hatching Sticker #1 - Hatch One Egg

Egg Hatching Sticker #2 - Hatch One Hundred Eggs
Egg Hatching Sticker #3 - Hatch Two Hundred Eggs
Egg Hatching Sticker #4 - Hatch Three Hundred Eggs

Winning A Link Battle Sticker #1 - Win One Link Battle
Winning A Link Battle Sticker #2 - Win Twenty Link Battles
Winning A Link Battle Sticker #3 - Win Fifty Link Battles
Winning A Link Battle Sticker #4 - Win One Hundred Link Battles


Mystery Gift

Go to any Poke Mart and click on the clipboard near the shopkeeper. The clipboard is a questionaire. Type in the 4 words "Link Together With All" and the shopkeeper should notice and gives you access to the Mystery Gift system. Save the game and restart. At the Front Menu, there should be a new option called "Mystery Gift" With Mystery Gift, you can unlock many things.

Unlockable How to Unlock
Mystic Ticket/Lugia and Ho-Oh - you can download the mystic ticket at Nintendo Events allowing you to go to Navel Rock, where Lugia and Ho-Oh are located.

Aurora Ticket/Deoxys - you can now download the Aurora Ticket at Nintendo Events. This allows you to go to Birth Island, where Deoxys is located


ItemFinder Secrets

There are places in the game where important people/Pokemon have stood at one point. If you use the Itemfinder on the EXACT spot where they were, a special item will be found which is usually very rare. You cannot find these items any other way.

Unlockable How to Unlock
Soothe Bell Use Itemfinder where Mr. Fuji was in the Pokemon Tower.
Leftovers Use Itemfinder where Snorlax was near Cycling Road and Silence Bridge.
Macho Brace Use Itemfinder where Giovanni was in Viridian Gym.
Sacred Ash Use Itemfinder where Ho-Oh was in Navel Rock.


Diploma

To get the diploma, catch all 386 pokemon (i.e. fill the national dex).
Unlockable How to Unlock
Diploma Fill National Dex completely