Are there any or can the game be 100%'d at anytime with no missable achievements? Including post-game freeroam to mop up?

I've been working on a substantial mod for this game and it's finally out. https://www.nexusmods.com/nexomonextinction/mods/1 You can read about the details on the mod page, but the short version is that it's an overhaul to the gameplay portion of the game. In the base game, Nexomon are kinda boring and samey because they all learn similar moves and most non-damaging moves are pretty bad, but this completely reworks all of the movesets and most of the moves to make the game much more varied. The AI is ...

Nintendo just patented character summoning and battling mechanics. Like this to warn the creators & creator or join a counter lawsuit.

and holy sh*t is it a pain to choose and the only question i have is chould i choose my starter how i feel like it or is there some stuff i can get early if i choose a certain one?

canyou customize your character?