Kevin Birrell, a Seattle-based pro-gamer and speedrunner, has become the sixth known person in the world to achieve the highest ranking in the 2005 game Tetris The Grand Master 3 Terror-Instinct.Captured on a Twitch stream (found below, YouTube mirror above) that aired on Wednesday, Birrell was awarded the rarest rank of them all by playing the classic Tetromino puzzle game under the most intensely difficult requirements, including lightning-fast drop speeds and one section of the game where the blocks turn invisible.Tetris The Grand Master 3 Terror-Instinct (commonly abbreviated as Ti) features a Master Mode that will give players the coveted MM Rank if they achieve a near-perfect game.