use the basement key in goldenrod city. the key is in goldenrod.
How do you unlock the door in the old man's house who lives on mossdeep city on Pokemon Ruby
In the basement of the Pokemon mansion on cinnaber.
You don't until you beat the 7 other gyms. After that fly back to Viridian city and the leader will have returned
In case in goldenrod city take the underground path. There will be a door. Get the key from the rocket executive in radio tower. In case of lavender town we can't go underground.
its impossible to get in there unless you have cheats. but there wouldn't be anything in there
Find the key
How do you unlock the door in the old man's house who lives on mossdeep city on Pokemon Ruby
The black tall building with a shop door
You can't
with your foot
you have to get a key
goldenrod city. go above the Pokemon center to where the game corner is and turn left. there'll be a normal house with a brown door. that's his house. if you haven't been to the center in ecruteak that's where bill is the first time you go there
Above Goldenrod city,walk into the room where thay tell you about the bug contests and go through the far left door. et
There isn't one anymore sorry.
To unlock the Gym door in Sootopolis City in Pokémon Ruby, you need to first defeat the Elite Four and become the Pokémon Champion. After that, return to Sootopolis City, where you will find the Gym door will automatically unlock, allowing you to challenge the Gym Leader, Wallace. If you haven't defeated the Elite Four yet, you won't be able to access the Gym.
Go to the flower shop in Goldenrod city (next to the gym), and if you have a shaymin with you, talk to the girl next to the door and she'll give you the flower.
In the basement of the Pokemon mansion on cinnaber.