Tetris could refer to one of three alliances of the same name:
Standard Edition (SE): Edit
- The first Tetris, a small aqua team alliance founded in 2007 which merged into the Oceanic Entente during the Green Civil War; or
- The second Tetris, a green team alliance founded in 2009.
Tournament Edition (TE): Edit
- Tetris: Tournament Edition, a Tournament Edition Alliance formed at the beginning of Round 14
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