I think a critical thing is that the prices in the galactic ſhop are not high enough to encourage people to go find a ſhop if they don’t happen to be there already.
It might look like that because you are a late-game player with thousands of keys and everything in inventory, eventually buying some lives or amps (which don’t have a too large difference in a galactic shop).
I legit don’t remember the last time I bought anything in the galactic shop, if I ever did.
Even if it’s not a big price difference,I’m pretty sure that people would rather buy cheaper stuff from the regional stores instead of wasting keys in the galactic shop.
As for IA’s question…
I don’t think you need to change anything,tbh.
To encourage travel even more,you know,just throwing out an idea,a second tier of equipment that are better than the first tier by a significant amount only found in regional stores.
They could come with cool asthetic effects and only be compaitable with Mullers.
Oh ye,having uncommon,rare and legendary variants of items other than heat sinks,spaceships,reactors and engines would be cool. But I wonder what they would do. Just have even lower prices?