BACK TO BACK

Actually the achievement is having three different blue long blocks sent to you in tulles or the two tulles will followed by any block; when we are put down your blocks have to do three Tetris of the three turns. when another block is put it to Down before made an 3 Tetris the achievement will be fortfeited,the same set is used for many Tetris then u can never know ,the three blocks will come back to you. The real one is how to get back from the previous screen to the first screen.
The Tetris Guideline is the current specification that execute for making a new Tetris game products. A mode labeled is a "constant" or just plain "Tetris" will adhere to the Guideline more closely than other modes. Now, the Guideline is guess to encompass the following rules, by the way of behavior of authentic Tetris games:
The games compliant share many traits, they also have differences in many aspects as well. There are a few instances where a game will break a chance to which is shared by all other games, to compliant. Examples of this is that the lack of the hold function and the T-spin's ability to start and continue Back-to-Back chains in iPod Tetris, and the tipsy(inverted) rotation button layout of TGM3 and TGM ACE .
A back-to-back Tetris is, as the name states, as clearing 4 lines at a time in a chain of consecutive Terries. The difficulty performing of back-to-back Terries as clearing lines between Terries, before you can start on the back-to-back Terries. It breaks the chain and you have to clear a Tetris so there's an extra additional Terries that are given for complete back-to-back Terries. The single player, get additional bonus line, in your line count & extra points. In multiplayer mode, you have to send 5 lines only instead of 4 lines to your opponents. Buy TetrisFree Classical Tetris