Survival Mode is similar to Marathon Mode. If the player loses by reaching the top, the score does not count and is not recorded in the high score list. Special moves called t-spins are also worth extra points. Clearing multiple lines with a single piece scores more points. Ultra Mode challenges players to score as many points as possible in two minutes. The speed is automatically set to the lowest setting.

The time required to clear all the lines is recorded as the score. Sprint Mode requires players to clear forty lines as quickly as possible. The game ends once level fifteen is completed, and the score is recorded and added to the high score list if the user has a registered account. Once the goal has been reached, the level and speed increases and a new, higher goal is set. For instance, clearing a single line is worth only one, while clearing four lines with a single piece is worth eight lines. Clearing multiple lines with one piece is worth more than the actual number cleared. In Marathon Mode, players have to clear a specified number of lines while trying to score as many points as possible. As such, Tetris Friends permanently shut down on that date. Tetris Online, Inc ceased all operations on May 30, 2019. The version available on Facebook only had four of the modes available on the official website and contained had no coin system, but featured a special mode.ДЄll game modes except Tetris 1989 and N-Blox used the SRS rotational system, featured the hold function which allowed players to save a block for future use, and had a quad-Tetrimino preview that allows players to see the next few upcoming blocks. They could be used to unlock new skins and Tetrimino styles, although a premium 'ruby' currency also existed. Playing any game mode gave a user Tokens. Tetris Friends featured six single-player modes and five multiplayer modes. At the time, it was also the only official Tetris platform that had advertisements play before a match Tetris Friends had over a million registered users. It was the only official Flash implementation of Tetris made by the Tetris company itself. Registered users were able to compare their scores with their friends and with the entire community. Tetris Friends was an online Tetris game developed by Tetris Online, Inc.

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