This is a game where 4 players have 6 dices each. They throw the dices each time. Dices with 6 will be removed. Dices with 1 will be added to player's dices in the right.

dice_game.rb

##
#
#   This is a game where 4 players have 6 dices each. They throw the dices each time.
#   Dices with 6 will be removed. Dices with 1 will be added to player's dices in the right.
#
##
 
class DiceGame
 
private
 
    # Number of players.
    @players = 4
 
    # Number of dice for each player.
    @dice = 6
 
    # Dice grid to be initialized when calling constructor.
    @dice_grid = Array.new(@players) { Array.new(@dice) }
 
public
 
    ##
    # DiceGame constructor.
    #
    # @params
    #   players: Number of players.
    #   dice: Number of dice for each player.
    #
 
    def initialize(players, dice)
        @players = players
        @dice = dice
 
        @dice_grid = Array.new(@players) { Array.new(@dice) }
    end
 
    ##
    # Rolls the dice for each player in each round.
    #
    def roll_dice
 
        @dice_grid.each do |row|
            (0...row.length).each do |i|
                row[i] = rand(6) + 1
            end
        end
    end
 
    ##
    # Removes all dice with number '6' on top.
    #
    def remove_6s
 
        @dice_grid.each do |row|
            row.delete(6)
        end
    end
 
    ##
    # Moves dice with number '1' on top to right player's dice.
    #
    def move_1s
 
        count_1s = []
 
        @dice_grid.each do |row|
            count = 0
            row.each {|x| (x == 1) ? count += 1 : 0}
            count_1s.push(count)
            row.delete(1)
        end
 
        (1...@dice_grid.length).each do |i|
            (1..count_1s[i-1]).each do
                @dice_grid[i].push(1)
            end
        end
 
        (1..count_1s[count_1s.length - 1]).each do
            @dice_grid[0].push(1)
        end
    end
 
    ##
    # Checks if there is a winner to end the game.
    #
    def check_winners
 
        @dice_grid.each do |row|
            if (row.length == 0)
                return true
            end
        end
 
        return false
    end
 
    ##
    # Prints dice grid to console.
    #
    def print_grid
 
        (0...@dice_grid.length).each do |i|
            puts "Player #{i+1}: #{@dice_grid[i]}"
        end
    end
 
    ##
    # Prints dice game winner(s).
    #
    def print_winners
 
        (0...@dice_grid.length).each do |i|
            if (@dice_grid[i].length == 0)
                puts "Player #{i+1}"
            end
        end
 
    end
 
    ##
    # Here is where all the action begins.
    #
    def begin_game
 
        round = 0
 
        while (!check_winners)
 
            round += 1
            puts "Round #{round}:"
            puts "-" * 7
 
            roll_dice
            puts "After dice rolled:"
            puts "-" * 15
            print_grid
            puts
 
            remove_6s
            puts "Removed dice of 6:"
            puts "-" * 15
            print_grid
            puts
 
            move_1s
            puts "Moved dice of 1:"
            puts "-" * 15
            print_grid
 
            puts puts
        end
 
 
        puts "Winner(s):"
        print_winners
    end
end
 
### Create the game ###
 
player_count = 4
dice_count = 6
 
DiceGame.new(player_count, dice_count).begin_game