 Man-to-man wargames offer an extreme challenge to the designer, as fewer variables or characteristics inherent in the units being simulated are directly quantifiable.Modern commercial board wargaming stayed away from man-to-man subjects for many years, though once the initial attempts were made to address the subject, it has evolved into a popular topic among wargamers.Man-to-man wargames have been a popular pastime for PC and console gamers, though "true" man-to-man combat simulators are much more rare than action-adventure oriented first person shooters which can probably be excluded from the topic of man-to-man wargames.