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A '''combat skill''' is a type of skill that specifically covers a character's proficiency in the use of the many different types of weapons in the game. There are '''29''' combat skills in total, grouped in 3 sub-categories: '''Firearm skills''', '''Heavy weapon skills''' and '''Melee and miscellaneous skills'''.
Generally speaking, combat skills correspond to the type and action of firearms covered, and are intended to be easily inferred from the basic description of a weapon. For example, the [[Glock 17]] is a '''pistol''' with only one fire mode, '''semi-automatic'''; therefore it can be deduced that using this weapon calls for '''Semi-automatic pistol''' skill. In some cases however, it's not as clear. The sections below are intended to clarify these less clear cases.