Drag and drop blocks onto the puzzle board, match horizontal rows of 9, vertical columns of 9, or 3x3 squares of 9 to collect all the objective star blocks on Challenge mode! Or play High score mode and see how many points you can get! Tetra Blocks, puzzle game, match 3, block puzzle, arcade game, challenge mode, high score, skill game, brain game, star blocks, spatial reasoning, drag and drop, mobile game, addictive, strategy, fun for all ages