Dice

Calculate combined dice rolls

var twoDice = 
           from d1 in Random.Dice(6) 
           from d2 in Random.Dice(6) 
           select d1 + d2; 

Returns a data structure that knows the probability for all outcomes (2, 3, 4, ... , 11, 12) and allows to generate random number for that distribution

The expressions can become more complicated. For example, the game zombicide has a rule where the number of ones are important (Crawlers) but only if there are at least the same number of dice with for example three or more.

var threeDiceThreePlusWithOnes = 
             from ds in Random.Dice(6).Repeat(3) 
             let hits = ds.Count(d => d >= 3) 
             select new { Hits = hits, Ones = Math.Min(hits, ds.Count(d => d == 1)) };