Quote Originally Posted by Terraoblivion View Post
Everyone who was in games from EoSD to PoFV are in it and if you play national mode in the post-game content, the MoF people show up too. Which is everyone who existed in a Windows era Touhou at the time the game was originally released.
With the most recent patches, the characters of UFO have been "released" as well. However (and disappointingly), they're pretty much just generic units, and don't even get any unique abilities. I think the same also applied for Iku and Tenshi actually, so SWR is technically represented.