Line vs Box. Dots and Boxes

Features:1. Play with NPC, play with other person.2. Custom theme by yourself.3. 3x3, 4x4, 5x5 and 6x6 size. From easy to hard and very hard.How to play:* Two players take turn to connect the dots. * Complete a square to score a point and play again.This game extend & develop from @github/endeepak. Many thanks to endeepak.