All the common questions and answers about Pokemon Vega are posted at this page.
There’s a hidden switch in one of the windows on the back that changes the destination of the flower warps.
– Where is the Flash HM?
Talk to the man on the western edge of Route 502.
– How do I get past the Dugtrio in Russette City?
Beat the Russette Gym, then give the Letter (found on the back of the Mewtwo statue deep in the Spirit Mansion) to the scientist on the second floor of the museum. Then talk to the Pokemon Ranger on Route 505.
– Where is the Strength HM?
Talk to a hiker in the northwest part of Porcelia Forest.
– Where is the Cut HM?
Talk to the man hiding in the top floor of the Tower of Darkness.
– How do I get past the scientists in Ravenplume City?
Beat Team D.H. at the Chateau of Time, then finish the mission at Mt. Snowfall. Talk to the Director at Orpimence City’s Pokemon Broadcasting Station (be sure to talk to the scientists first), then give the Meteorite you received to one of the scientists back in Ravenplume City.
– Where is the Waterfall HM?
After clearing out the D.H. Hideout, talk to the grunt in the upper left of the first floor.
– I beat the Pokemon League. Now what?
This part of the game is more open-ended. You’ll need to:
Rematch all the Gym Leaders (in new areas of old dungeons that are now open)
Defeat the three trainers in the new areas of Fire, Ice, and Lightning Islands
Obtain a Pokemon at the end of an event in the Chateau of Time
Obtain a Pokemon from the Champion in a new area of Victory Road
Re-enter the Ranger Base at least once to see a short scene
Then, you’ll be able to enter a new place from a newly opened part of the D.H. Building.
– How do I get through the Sphere Ruins?
If you’re using a guide written for the Japanese version, a certain puzzle won’t work. Try entering the Braille for “ON” (you’ll know what this means when you get there.)
– I got through the Sphere Ruins. Now what?
Complete the entire National Pokedex, then talk to Professor Holly to get one last mission.
– Where can I find a certain Pokemon?
Check the spreadsheet here.