For pokemon sapphire version on the game boy advance a gamefaqs message board topic titled the locked door in the house at mossdeep city.
Pokemon locked door mossdeep.
Find out for yourself what it looks like.
The island of mossdeep is covered in plants and flowers.
Enter the house to the lower right of the pokemon center.
In mossdeep city there is a house with a locked door in the back of it.
If you scan a berry go to norman to receive it.
You will have to scan the card.
Mossdeep city has a pokémon gym whose gym leaders are tate and liza.
If you haven t it s located in mossdeep city.
The trainer you scanned will be waiting in the center of the room.
Talk to the old man standing in front of the door.
To unlock the door in the old man s house in mossdeep city you need to scan junichi masuda s secret base qr code.
Upped the contrast of the image for all three qrs i tested it with my own alpha sapphire version hopefully.
If a trainer is scanned go to mossdeep.
Check the house south from the pokemart.
This clear weather made mossdeep the ideal location to build a space center to launch large rockets.
The door that was locked will now be open.
Secret base house in the city there is a man with a closed door in his house who says that he awaits the day that he can wake up and see a secret base behind the door.
Its weather is mainly sunny and its winds are stable.
Mossdeep city is a small island in the north east of the region.
Scan junichi masuda s secret base qr code.
How do you get in it.
Find his secret base in mossdeep city.
I have beaten the entire game with almost everything pokemon ruby questions and answers gameboy advance.
This island is the home to steven stone and the space centre where you can learn of various space launches.
Since people were asking here are the rest of the pokemon dev s secret bases.