It depends whether you want 00-99 or 1-100. Eclipse Phase, for example, uses 00-99 so that criticals (which are on doubles) are evenly distributed. It compensates by making success only on a roll strictly less than, not less-than-or-equal-to, your target.
It depends whether you want 00-99 or 1-100. Eclipse Phase, for example, uses 00-99 so that criticals (which are on doubles) are evenly distributed. It compensates by making success only on a roll strictly less than, not less-than-or-equal-to, your target.