Rumors Wooden Chocobo:You must steal the underwear of Godo and bring it to the Middel tracks.

Silver Chocobo:You must breed 2 S class Gold Chocobos withthis hidden nut.

Revive Aeris:You must somehow get her white materia.

Ultra Materia:You must master every Materia and ride a Silver Chocobo underwater and throw it on the ocean floor and go back to the Surface and a ball will come flying out of the water.

Outer Space:You must Find the Secret Entrance to the Rocket In the Crater and find out the Password.