Rules of the game is wery simple: you fill capacity by the block of different form. Block can be rotated that tham it was easier to build on to the construction. If it any hight you can make a continuous horizontal line of block, or you put it in a line, of at least, 4 cubes of tha same color, the line will disappear immediately and the player gets the points and various bonuses. This is the meaning of the game: to build and distroy, distroy and build.