inspired by Ivenholiao's suggestion of making each server region "separate" from themselves, implement a setting where you can choose your preferred server region to play on, among EU, NA, and AS.
Literally what most multiplayer games have.
#Account region lock
delicate pendant
placid trellis
other multiplayer games have that cuz they have hundreds of thousands of concurrent players
smaller multiplayer games that use lobbies or ptp have this so players can play with others from other regions
multiplayer games also get this by not having features like map picking, multiple game modes, or having fewer players in matches