Shooting in FiraXCOM feels good, in part because sounds effects are top notch.
And if I may crank it up to 11, in JA2 v1.13 practically all calibres have their own shooting sounds. Compared to vanilla, this is just a whole new world.
Of course, I'm not asking to add realistic sounds for every kind of bow and crossbow in the game, I just want to say that this, seemingly minor, detail is actually quite important.
1) trajectory would made some kind of sense
You are a true master of understatement, mate.
