Good Free Games To Play: Tetris Battle

Link To play it for free
 https://apps.facebook.com/tetris_battle/?fb_source=search&ref=ts&fref=ts
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A small review
This game is very awesome you can play 1v1 or 4 against each other on the same time or 6 against each other on the same time. You can also play marathon there makes its harder the more lines you make. You can also play it against you friends or just play it yourself. There is also rank and level in the game.