I usually use single-shot weapons, opting for pistols or a revolver, however I have been using a shotgun and I noticed that in the first boss, the cousin, he has a collision bug in one of his locations, where only one bullet hits him and the rest go through him, apparently this happens in the place where he first appears, I have already tried to shoot him in the other locations and this did not happen. It is not something that ruins the experience, however, I come to warn the developers since it is in early access.