Lyric discussion by ArcticSounds 

Cover art for No Tetris lyrics by Los Campesinos!

"And I beat my high school twice that night One thousand, two hundred and sixty-three lines"

I think it's High-score

"And I beat my high-score twice that night One thousand, two hundred and sixty-three lines"

He's playing Tetris.

Lyric Correction

Oof, you're right! Cheers.