Pokemon Gold/Silver

While in the Alpha Ruins southeast of Kikyou city go to the Pokegear option in the menu screen. Go to the radio option and on the fourteenth to the twentieth channel you can find a station Called ??????. That is the Ann'oun Music. It can only be heard at Alpha Ruins.

First, solve the Kabuto puzzle, which you should know how to get to. The rest will require the HM for Surf, found in Enjyu City, TM 08 (Rock Breaker), and the HM for Strength. Surf down by the Ancient Ruins (below Kickyou City) and solve the puzzle there. The puzzles should be somewhat easy. Just put in the corner pieces first. Then, go to the Connection Cave. Walk around and find the Pokemaniac. If you have not defeated him, fight him. Then, Surf in the waters near him. You will have to return here twice. Break the rock you find, and solve the puzzle. Then return, move the boulder, and solve the last puzzle. Catch the different Annon, then exit the ruins. Talk to the scientist near the cave and he will give you a complimentary Annon Pokedex.

Breed two Pikachus to get Pichu.
Breed two Electabuzzes and you get Eleckid.
Breed two Clefairies and you get Pi.
Breed two Jigglypuffs and you get Pipurin.
Breed two Magmars and you get Magar.

Go to the city with the fourth gym. Then, go inside the second cave, turn to the right and Surf. Go to the top and enter the other cave that is there. Make your way around the mazes and talk to the karate character that is there. Defeat him and to will get Buruki. Note: Make sure you have an open space in your Pokemon holder.

If you want a Pokemon rumored to be a pre-evolution of Dratini (Denryuu), do not try to de-evolve Dratini. Instead, go to the route after Kickyou City towards the Connection Cave, and try to capture the electric sheep, Meripu. Let it grow to level 15. It will evolve into a pink sheep. Train it to level 30 to get Denryuu.

When you go to Enjyu City, go to the tower and your rival will appear, but will not battle. However, if you first heal your Pokemon at the Pokecenter, defeat the Ghost Gym Leader, and then go to that tower, your rival will talk to you and fight.

Go to Saffron City before fighting Sabrina. Challenge Sabrina to discover that her Mr. Mime is female.

Go to the fourth gym and Surf right all the way. You will Surf in the water, where you should see a Gyarados. Battle it, and it will be golden.

Breed the golden Gyarados with a regular Gyarados to get a golden Magikarp.

Equip the Metal Coat on Onix and trade it to another GameBoy. It will evolve into Haganal.

Go to the city with the fourth gym. Then, go inside the house with another house beside it. Climb up and enter the other big house. Climb up until you get to Hou-Hou.

Go to Pewter City and talk to the old man that walks around. He will give you a gold feather. Then, go to the place where Hou-Hou is located in the Gold version to find it.

Give Gloom a Solar Stone and it will evolve into a Kirehana. You cannot evolve Kirehana into Vileplume.

Enter the cave in the second city and Surf. You should be able to see Lapras. Note: There is only one.

Learn HM06 (Whirlpool) and go to the place where you received the fifth badge. Destroy a whirlpoor and enter the cave. Go through the maze and you will reach Lugia.

Go to Saffron City and talk to the girl copycat. Fly to Vermilion City and talk to everyone in the house where you received the bike voucher. Someone will give you the Clefairy doll. Take it to the copycat to get the monorail ticket.

Use the following Pokemon types to battle the indicated Trainer:

Itkusi

Neiteio: Use Psychic or Fire type
Slowbro: Use Psychic type
Neiteio: Use Psychic or Fire type
Jynx: Use Psychic type
Exeggutor: Use Fire type
Koga

Araidosu: Use Psychic or Fire type
Venomoth: Use Fire type
Muk: Use Psychic type
Kuroba: Use Psychic or Fire type
Fuoretosu: Use Psychic or Fire type
Bruno

Kaporea: Use Psychic or Grass type
Hitmonchan: Use Psychic type
Hitmonlee: Use Psychic type
Machamp: Use Psychic type
Onix: Use Grass type
Karin

Burakki: Use Psychic or Fire type
Vileplume: Use Fire type
Gengar: Use Psychic type
Yamikarasu: Use Psychic or Fire type
Heruga: Use Psychic or Fire type
Lance

Gyrados: Use Grass type
Dragonite: Use Electric type
Dragonite: Use Electric type
Dragonite: Use Electric type
Aerodactyl: Use Grass type
Charizard: Use Water type

Select one of the following to get your first Pokemon:

Chicorita: a Grass type, like Bulbasaur.
Waninoko: a Water type, like Squirtle.
Hinorashi: a Fire type, like Charmander.

Go to the city with the fourth gym and enter the big house. Break the rocks and fall down one of the holes to wake them up. Then, go outside and try to find them in the wild.

Defeat the first gym and go into the Pokecenter. Talk to the scientist and he will give you a egg. After 5,000 steps, it will hatch into Togepi.