Pokemon Emerald Unlockables

Go into the desert. Go to the Mirage Tower when it appears. REMEMBER: You will need the Mach Bike for this because it like Sky Pillar. If you choose any of them, they will get buried. To get the opposite, one go to Route 14 (by Fallabor Town). Go to the Fossil Maniac and go to the cave that he said has collapsed. Then, go in at the end. REMEMBER: You can get Ditto there. The Claw or Root Fossil will be there.

Go to the Berry Master's House and talk to his wife. Tell her "COOL LATIOS".

Win 100 battles in the Battle Frontier. Then, talk to Scott at his house in the Battle Frontier.

Collect all Silver Frontier Symbols in the Battle Frontier. Then, talk to Scott at his house in the Battle Frontier.

To get the Magma Symbol (which is required to get to the Team Magma Base), you must go to Mt. Pyre after you defeat Team Aqua in the cove next to Lilycove City.

Go to Lilycove City. Then, surf to Team Aqua's base. Keep walking around and you will see a room with four items. Try all the teleporters until you get to that room. The item on the top left is a Master Ball.

Immediately after beating the Elite Four, you will go to Professor Birch. He will give the National Dex to you.

Go to the Berry Master's House and talk to his wife. Tell her "CHALLENGE CONTEST".

Catch all 202 Pokemon in the Pokedex, then talk to the Game Designer at the hotel in Lilycove City.

To get the Pokemon Virus, go to Route 117 and battle until you think you have it . Then, go to Vandaserf's Pokemon Center and heal. If one of your Pokemon have it, after you heal a new message should appear. If you happen to get this rare disease it should make your Pokemon grow better. This virus is very contagious and can spread quickly. REMEMBER: This virus does not hurt your Pokemon. It should last about two days. After it has worn off, it will leave a small dot beside the Pokeball that you caught it with.