When Eliot confronts Tam in the hall after the first game loss, Tam's sweatband is on upside down though it is on correctly during the game and upon his return for game 2.
When Kyle Fury returns to recording his video, he turns away from Tam and you can clearly see his phone isn't turned on (blank, black screen) and not filming him.
When Breanna speaks to Kyle for the first time, she calls Sophie by her real first name, Gina. Her name during the scam is Janet.