I did a similar thing a couple years ago when I was really into .flow (I still really like it, but haven't really played it or messed with it in a long time). I dug through most of the events and triggers in the game and these are my notes on what I found interesting/potentially relevant for theories. It's worth noting, I used machine translation on these so they might not be accurate (I built a tool at the time to run the original Japanese through a handful of different online translation services and usually accepted whatever most services agreed upon as the translation). Basically what I'm saying is, take all of my notes with a giant grain of salt. It's also worth saying that lol can use whatever names he wants for these triggers, events, etc. so trying to read into their naming is arguably questionable, it's possible nothing in the game has any real meaning behind it.
Worth noting, when I did this the latest version of the game was .17 (that's how old this is) so I haven't looked at anything beyond that version. Also, I make references in the notes to areas of the game via names, by descriptions, or NPC locations (I think I referenced the wiki at the time for most names)- because of this I actually have a hard time following these notes anymore myself as I don't remember much about the layout/locations/NPCs in .flow.
Gonna put my notes in a pastebin so I don't add a giant wall of text to this post: https://pastebin.com/raw/5WMkt0SQ
I did this because I was really into .flow and it left me with a lot of questions/ideas about what was behind it. I like to think a lot of what I found let me piece together my own theory about the overarching themes of the game, so maybe others will get the same from it. However, as I said, take this all with a grain of salt, the only reason I really did this was simply because almost everything in .flow is such a mystery and (while also being really creepy) leaves you trying to piece together some kind of meaning. This was my way of trying to satisfy my curiosity.