Dupl.io, a unique and fun.io game, has an interesting concept. Spread your dice over the map to gain territory. Each dice begins with a number 1. Click on the dice to increase its number. When your dice reaches 4, it will split into 4 new dices. This process must be repeated to expand your territory, and conquer other players' areas.Dupl.io, a unique and fun.io game, has an interesting concept. Spread your dice over the map to gain territory. Each dice begins with a number 1. Click on the dice to increase its number. When your dice reaches 4, it will split into 4 new dices. This process must be repeated to expand your territory, and conquer other players' areas.