Four..z is a addictive puzzle game with simple interface. Move the blocks to explode four or more in line. Do not forget about three new balls each move. The objective is to score as many points as possible building up a horizontal, vertical or diagonal line consisting of five or more blocks of the same type. With careful planning, play endlessly making huge scores. Features: Highly Addictive, Interesting & Fun Game Play. Three different difficulty levels to keep you interested. Challenge your mind to a full work out. Built-in Instructions and tips to get you started. Making moves mentally helps the player to keep on playing endlessly reaching new heights in high scores. Color and grayscale compatible. How to Play Game starts with display of 3 blocks. Move the blocks to explode four or more similar blocks in a line, the formed row /column disappears. The path for placing the blocks should be clear. There are 3 levels of play -easy,medium and difficult Line can be horizontal or vertical For every move new blocks appear on the screen. The game goes on till the whole board is filled. Colors of the next set of blocks to appear are displayed at the bottom of the screen The number of colours of the blocks displayed ,varies according to the level of play. o Easy level - 3 colours o Medium level - 4 colours o Difficult level - 5 colours. Hint option: The player has the option of choosing Hint On / Hint Off.Hint On indicates position of the blocks by the display of small blocks on the screen About Difficulty Levels There are 3 difficulty levels-easy ,medium and difficult. The number of colors of the blocks displayed increases from 3 to 5 respectively. About Restrictions on Free Trial Version Medium and Difficult levels are not enabled in trial version. Buy the game and enjoy the full features.