1 definition by TheVeryGenericUsername
TETR.IO is a modern yet familiar online stacker based off of Tetris. With its rebalanced attack system and online ranked mode, it has a somewhat large casual and competitive following.
Person 1: "Hey wanna play some Tetris?"
Person 2: "Yeah sure hop on Tetr.io I just learned a new opener!"
Person 2: "Yeah sure hop on Tetr.io I just learned a new opener!"
by TheVeryGenericUsername April 22, 2021