Join the matching squares together.The game has several types of blocks, each of which has a connection line, and blocks with the same connection line can be connected. The game is space-themed, the screen is very beautiful, come and experience it. LinksChallengPuzzle,puzzle game,matching puzzle,space-themed,arcade game,1 player,free download,challenge,connection lines,beautiful graphics,iOS,Android,mobile game,brain game,cognitive skills