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Secret Achievements (Show)
Tetris Splash achievements
Clear 5 Lines
Clear five or more lines during one Single Player or Online Multiplayer game.
Reach Level 5
Reach or exceed level five in a Single Player game of Marathon.
Clear four lines at once.
Rotate the T-Tetrimino into a T-Slot to perform a one or two line clear.
Use at least one Mino from each of the seven Tetriminos to clear a single line.
Clear one or more lines with successive pieces to increase your Combo count above eight.
Win a "Free for All" match in Online Multiplayer.
Score a Back-to-Back Tetris in Online Multiplayer.
Accumulate at least ten hours of Online Multiplayer game play.
Perform a Single, Double, Triple, Tetris, T-Spin Single, T-Spin Double, and 8 Combo in one game!
Complete a Single Player game of Marathon in 20 minutes or less.
Complete a Single Player game of Marathon without using the Hold Queue.