I'm currently typing this after finishing my first playthrough & I gotta say, I love this game! I always adore RPG games that have multiple routes or off branches you can explore with no real requirement to head for the main quest or anything like that. The fact that -from what I've seen from the Steam achievements- there's so much replayability to this game is honestly incredible.
Wish you the best of luck in making Copper Odyssey 2!