>>43892400It's easily the most popular shooter in Japan with only Overwatch and Valorant behind it. APEX makes for good stream content as it allows for time between action to talk and interact with chat/whoever they're collabing with, while still providing good action after these dead times.
Overwatch is much too chaotic and requires nearly all focus to be on it at the same time.
Valorant is much slower, but requires nearly constant focus to sit and hold a position that can make conversation hard.
This leaves APEX as "the" fps vtuber game, before you mention single player ones, those don't have as much replay-ability compared to a multiplayer nor the option for collabs.