Since everything seems to get prepared for mayhem 2.0, I will list the weapons that are still not op, so they can possibly be used when the new difficulty kicks in^^
Ofc. I can only list what I am using/trying to use. You can list your own suggestions below if you want?
Echo: it’s not as strong as comparable splash weapons. Could use some higher firerate or faster sticky triggers. Or just more damage.
Slow hand: not really usable imo.
Red line: way too low damage and the recoil is so high, you are missing half of the shots anyway.
Destruction spinner: it could have some splash damage. In the wiki, there is still written that one of the two elements is doing splash damage. That’s not true of course.
Trevonator: considering it’s high ammo consumption, this weapon could also use higher damage to stay relevant.
Trybolt: This weapon is also not strong enough for it’s low fire rate. I doubt, anyone is using it.