Simple to play but difficult to master. Puzzles range from beginner to expert featuring increasingly difficult hex block puzzles. Completely free to play with no time limits, and no locked puzzle packs. Hundreds of unique levels will keep your brain sharp. Relax and relieve your stress while exercising your mind Hex Blocks Puzzle,brain training,puzzle game,free puzzle game,hex puzzle,mind exercise,cognitive training,stress relief,matching game,HTML5,hypercasual,collection game,challenging puzzles,brain games,puzzle,block puzzle,hexagon puzzle,easy to master,difficult to master